Home / 5,681.10-8,509.32-2,753.25

Finding the Fourth Proportional to 5,681.10, 8,509.32 and 2,753.25

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Solution

The fourth proportional to 5,681.10, 8,509.32 and 2,753.25 is: 4,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.10 : 8,509.32 = 2,753.25 : x
  2. Step 2: Convert to fraction form
    5,681.10/8,509.32 = 2,753.25/x
  3. Step 3: Cross multiply
    5,681.10x = 8,509.32 × 2,753.25
  4. Step 4: Simplify right side
    5,681.10x = 23,428,285.29
  5. Step 5: Solve for x
    x = 23,428,285.29/5,681.10
  6. Step 6: Final answer
    x = 4,123.90

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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.