Home / 9,452.20-13,045.70-7,210.60

Finding the Fourth Proportional to 9,452.20, 13,045.70 and 7,210.60

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Solution

The fourth proportional to 9,452.20, 13,045.70 and 7,210.60 is: 9,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,452.20 : 13,045.70 = 7,210.60 : x
  2. Step 2: Convert to fraction form
    9,452.20/13,045.70 = 7,210.60/x
  3. Step 3: Cross multiply
    9,452.20x = 13,045.70 × 7,210.60
  4. Step 4: Simplify right side
    9,452.20x = 94,067,324.42
  5. Step 5: Solve for x
    x = 94,067,324.42/9,452.20
  6. Step 6: Final answer
    x = 9,951.90

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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.