Home / 6,685.94-9,220.29-4,988.19

Finding the Fourth Proportional to 6,685.94, 9,220.29 and 4,988.19

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Solution

The fourth proportional to 6,685.94, 9,220.29 and 4,988.19 is: 6,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.94 : 9,220.29 = 4,988.19 : x
  2. Step 2: Convert to fraction form
    6,685.94/9,220.29 = 4,988.19/x
  3. Step 3: Cross multiply
    6,685.94x = 9,220.29 × 4,988.19
  4. Step 4: Simplify right side
    6,685.94x = 45,992,558.38
  5. Step 5: Solve for x
    x = 45,992,558.38/6,685.94
  6. Step 6: Final answer
    x = 6,879.00

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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.