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Finding the Fourth Proportional to 5,569.14, 8,355.25 and 4,957.12

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Solution

The fourth proportional to 5,569.14, 8,355.25 and 4,957.12 is: 7,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.14 : 8,355.25 = 4,957.12 : x
  2. Step 2: Convert to fraction form
    5,569.14/8,355.25 = 4,957.12/x
  3. Step 3: Cross multiply
    5,569.14x = 8,355.25 × 4,957.12
  4. Step 4: Simplify right side
    5,569.14x = 41,417,976.88
  5. Step 5: Solve for x
    x = 41,417,976.88/5,569.14
  6. Step 6: Final answer
    x = 7,437.05

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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.