Home / 9,007.88-12,427.58-5,229.70

Finding the Fourth Proportional to 9,007.88, 12,427.58 and 5,229.70

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Solution

The fourth proportional to 9,007.88, 12,427.58 and 5,229.70 is: 7,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.88 : 12,427.58 = 5,229.70 : x
  2. Step 2: Convert to fraction form
    9,007.88/12,427.58 = 5,229.70/x
  3. Step 3: Cross multiply
    9,007.88x = 12,427.58 × 5,229.70
  4. Step 4: Simplify right side
    9,007.88x = 64,992,497.13
  5. Step 5: Solve for x
    x = 64,992,497.13/9,007.88
  6. Step 6: Final answer
    x = 7,215.08

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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.