Home / 6,687.28-10,032-5,465.80

Finding the Fourth Proportional to 6,687.28, 10,032 and 5,465.80

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Solution

The fourth proportional to 6,687.28, 10,032 and 5,465.80 is: 8,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.28 : 10,032 = 5,465.80 : x
  2. Step 2: Convert to fraction form
    6,687.28/10,032 = 5,465.80/x
  3. Step 3: Cross multiply
    6,687.28x = 10,032 × 5,465.80
  4. Step 4: Simplify right side
    6,687.28x = 54,832,905.60
  5. Step 5: Solve for x
    x = 54,832,905.60/6,687.28
  6. Step 6: Final answer
    x = 8,199.58

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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.