Home / 7,587.50-11,381.31-2,657.14

Finding the Fourth Proportional to 7,587.50, 11,381.31 and 2,657.14

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Solution

The fourth proportional to 7,587.50, 11,381.31 and 2,657.14 is: 3,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.50 : 11,381.31 = 2,657.14 : x
  2. Step 2: Convert to fraction form
    7,587.50/11,381.31 = 2,657.14/x
  3. Step 3: Cross multiply
    7,587.50x = 11,381.31 × 2,657.14
  4. Step 4: Simplify right side
    7,587.50x = 30,241,705.60
  5. Step 5: Solve for x
    x = 30,241,705.60/7,587.50
  6. Step 6: Final answer
    x = 3,985.73

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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.