Home / 5,557.05-7,660.76-3,431.16

Finding the Fourth Proportional to 5,557.05, 7,660.76 and 3,431.16

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Solution

The fourth proportional to 5,557.05, 7,660.76 and 3,431.16 is: 4,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.05 : 7,660.76 = 3,431.16 : x
  2. Step 2: Convert to fraction form
    5,557.05/7,660.76 = 3,431.16/x
  3. Step 3: Cross multiply
    5,557.05x = 7,660.76 × 3,431.16
  4. Step 4: Simplify right side
    5,557.05x = 26,285,276.13
  5. Step 5: Solve for x
    x = 26,285,276.13/5,557.05
  6. Step 6: Final answer
    x = 4,730.08

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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.