Home / 5,097.96-7,646.61-1,587.90

Finding the Fourth Proportional to 5,097.96, 7,646.61 and 1,587.90

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Solution

The fourth proportional to 5,097.96, 7,646.61 and 1,587.90 is: 2,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,097.96 : 7,646.61 = 1,587.90 : x
  2. Step 2: Convert to fraction form
    5,097.96/7,646.61 = 1,587.90/x
  3. Step 3: Cross multiply
    5,097.96x = 7,646.61 × 1,587.90
  4. Step 4: Simplify right side
    5,097.96x = 12,142,052.02
  5. Step 5: Solve for x
    x = 12,142,052.02/5,097.96
  6. Step 6: Final answer
    x = 2,381.75

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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.