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Finding the Fourth Proportional to 6,184.81, 9,278.84 and 3,411.01

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Solution

The fourth proportional to 6,184.81, 9,278.84 and 3,411.01 is: 5,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,184.81 : 9,278.84 = 3,411.01 : x
  2. Step 2: Convert to fraction form
    6,184.81/9,278.84 = 3,411.01/x
  3. Step 3: Cross multiply
    6,184.81x = 9,278.84 × 3,411.01
  4. Step 4: Simplify right side
    6,184.81x = 31,650,216.03
  5. Step 5: Solve for x
    x = 31,650,216.03/6,184.81
  6. Step 6: Final answer
    x = 5,117.41

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.