Home / 7,614.90-11,415.06-3,717.18

Finding the Fourth Proportional to 7,614.90, 11,415.06 and 3,717.18

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Solution

The fourth proportional to 7,614.90, 11,415.06 and 3,717.18 is: 5,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.90 : 11,415.06 = 3,717.18 : x
  2. Step 2: Convert to fraction form
    7,614.90/11,415.06 = 3,717.18/x
  3. Step 3: Cross multiply
    7,614.90x = 11,415.06 × 3,717.18
  4. Step 4: Simplify right side
    7,614.90x = 42,431,832.73
  5. Step 5: Solve for x
    x = 42,431,832.73/7,614.90
  6. Step 6: Final answer
    x = 5,572.21

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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.