Home / 7,088.37-9,781.54-3,901.13

Finding the Fourth Proportional to 7,088.37, 9,781.54 and 3,901.13

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Solution

The fourth proportional to 7,088.37, 9,781.54 and 3,901.13 is: 5,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.37 : 9,781.54 = 3,901.13 : x
  2. Step 2: Convert to fraction form
    7,088.37/9,781.54 = 3,901.13/x
  3. Step 3: Cross multiply
    7,088.37x = 9,781.54 × 3,901.13
  4. Step 4: Simplify right side
    7,088.37x = 38,158,990.73
  5. Step 5: Solve for x
    x = 38,158,990.73/7,088.37
  6. Step 6: Final answer
    x = 5,383.32

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Half 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.