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Finding the Fourth Proportional to 6,697.95, 9,244.89 and 4,047.18

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Solution

The fourth proportional to 6,697.95, 9,244.89 and 4,047.18 is: 5,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.95 : 9,244.89 = 4,047.18 : x
  2. Step 2: Convert to fraction form
    6,697.95/9,244.89 = 4,047.18/x
  3. Step 3: Cross multiply
    6,697.95x = 9,244.89 × 4,047.18
  4. Step 4: Simplify right side
    6,697.95x = 37,415,733.91
  5. Step 5: Solve for x
    x = 37,415,733.91/6,697.95
  6. Step 6: Final answer
    x = 5,586.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.