Home / 9,400.30-12,971.51-5,622.70

Finding the Fourth Proportional to 9,400.30, 12,971.51 and 5,622.70

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Solution

The fourth proportional to 9,400.30, 12,971.51 and 5,622.70 is: 7,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.30 : 12,971.51 = 5,622.70 : x
  2. Step 2: Convert to fraction form
    9,400.30/12,971.51 = 5,622.70/x
  3. Step 3: Cross multiply
    9,400.30x = 12,971.51 × 5,622.70
  4. Step 4: Simplify right side
    9,400.30x = 72,934,909.28
  5. Step 5: Solve for x
    x = 72,934,909.28/9,400.30
  6. Step 6: Final answer
    x = 7,758.79

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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.