Home / 9,270.20-12,793.80-5,290.52

Finding the Fourth Proportional to 9,270.20, 12,793.80 and 5,290.52

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Solution

The fourth proportional to 9,270.20, 12,793.80 and 5,290.52 is: 7,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.20 : 12,793.80 = 5,290.52 : x
  2. Step 2: Convert to fraction form
    9,270.20/12,793.80 = 5,290.52/x
  3. Step 3: Cross multiply
    9,270.20x = 12,793.80 × 5,290.52
  4. Step 4: Simplify right side
    9,270.20x = 67,685,854.78
  5. Step 5: Solve for x
    x = 67,685,854.78/9,270.20
  6. Step 6: Final answer
    x = 7,301.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.