Home / 7,387.40-11,077.25-6,545.23

Finding the Fourth Proportional to 7,387.40, 11,077.25 and 6,545.23

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Solution

The fourth proportional to 7,387.40, 11,077.25 and 6,545.23 is: 9,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.40 : 11,077.25 = 6,545.23 : x
  2. Step 2: Convert to fraction form
    7,387.40/11,077.25 = 6,545.23/x
  3. Step 3: Cross multiply
    7,387.40x = 11,077.25 × 6,545.23
  4. Step 4: Simplify right side
    7,387.40x = 72,503,149.02
  5. Step 5: Solve for x
    x = 72,503,149.02/7,387.40
  6. Step 6: Final answer
    x = 9,814.43

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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.