Home / 7,731.38-11,592.02-5,090.90

Finding the Fourth Proportional to 7,731.38, 11,592.02 and 5,090.90

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Solution

The fourth proportional to 7,731.38, 11,592.02 and 5,090.90 is: 7,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.38 : 11,592.02 = 5,090.90 : x
  2. Step 2: Convert to fraction form
    7,731.38/11,592.02 = 5,090.90/x
  3. Step 3: Cross multiply
    7,731.38x = 11,592.02 × 5,090.90
  4. Step 4: Simplify right side
    7,731.38x = 59,013,814.62
  5. Step 5: Solve for x
    x = 59,013,814.62/7,731.38
  6. Step 6: Final answer
    x = 7,633.02

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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.