Home / 7,587.42-11,378.90-2,656.14

Finding the Fourth Proportional to 7,587.42, 11,378.90 and 2,656.14

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Solution

The fourth proportional to 7,587.42, 11,378.90 and 2,656.14 is: 3,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.42 : 11,378.90 = 2,656.14 : x
  2. Step 2: Convert to fraction form
    7,587.42/11,378.90 = 2,656.14/x
  3. Step 3: Cross multiply
    7,587.42x = 11,378.90 × 2,656.14
  4. Step 4: Simplify right side
    7,587.42x = 30,223,938.17
  5. Step 5: Solve for x
    x = 30,223,938.17/7,587.42
  6. Step 6: Final answer
    x = 3,983.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.