Home / 9,269.20-12,791.40-5,020.20

Finding the Fourth Proportional to 9,269.20, 12,791.40 and 5,020.20

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Solution

The fourth proportional to 9,269.20, 12,791.40 and 5,020.20 is: 6,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.20 : 12,791.40 = 5,020.20 : x
  2. Step 2: Convert to fraction form
    9,269.20/12,791.40 = 5,020.20/x
  3. Step 3: Cross multiply
    9,269.20x = 12,791.40 × 5,020.20
  4. Step 4: Simplify right side
    9,269.20x = 64,215,386.28
  5. Step 5: Solve for x
    x = 64,215,386.28/9,269.20
  6. Step 6: Final answer
    x = 6,927.82

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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.