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Finding the Fourth Proportional to 7,336.12, 10,127.78 and 5,666.16

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Solution

The fourth proportional to 7,336.12, 10,127.78 and 5,666.16 is: 7,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.12 : 10,127.78 = 5,666.16 : x
  2. Step 2: Convert to fraction form
    7,336.12/10,127.78 = 5,666.16/x
  3. Step 3: Cross multiply
    7,336.12x = 10,127.78 × 5,666.16
  4. Step 4: Simplify right side
    7,336.12x = 57,385,621.92
  5. Step 5: Solve for x
    x = 57,385,621.92/7,336.12
  6. Step 6: Final answer
    x = 7,822.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.