Home / 9,339.04-12,887.84-5,147.52

Finding the Fourth Proportional to 9,339.04, 12,887.84 and 5,147.52

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Solution

The fourth proportional to 9,339.04, 12,887.84 and 5,147.52 is: 7,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.04 : 12,887.84 = 5,147.52 : x
  2. Step 2: Convert to fraction form
    9,339.04/12,887.84 = 5,147.52/x
  3. Step 3: Cross multiply
    9,339.04x = 12,887.84 × 5,147.52
  4. Step 4: Simplify right side
    9,339.04x = 66,340,414.16
  5. Step 5: Solve for x
    x = 66,340,414.16/9,339.04
  6. Step 6: Final answer
    x = 7,103.56

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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.