Home / 6,607.38-9,116.37-4,088.28

Finding the Fourth Proportional to 6,607.38, 9,116.37 and 4,088.28

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Solution

The fourth proportional to 6,607.38, 9,116.37 and 4,088.28 is: 5,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.38 : 9,116.37 = 4,088.28 : x
  2. Step 2: Convert to fraction form
    6,607.38/9,116.37 = 4,088.28/x
  3. Step 3: Cross multiply
    6,607.38x = 9,116.37 × 4,088.28
  4. Step 4: Simplify right side
    6,607.38x = 37,270,273.14
  5. Step 5: Solve for x
    x = 37,270,273.14/6,607.38
  6. Step 6: Final answer
    x = 5,640.70

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Half scale
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Double scale
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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.