Home / 8,782.22-12,117.50-5,244.75

Finding the Fourth Proportional to 8,782.22, 12,117.50 and 5,244.75

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Solution

The fourth proportional to 8,782.22, 12,117.50 and 5,244.75 is: 7,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.22 : 12,117.50 = 5,244.75 : x
  2. Step 2: Convert to fraction form
    8,782.22/12,117.50 = 5,244.75/x
  3. Step 3: Cross multiply
    8,782.22x = 12,117.50 × 5,244.75
  4. Step 4: Simplify right side
    8,782.22x = 63,553,251.57
  5. Step 5: Solve for x
    x = 63,553,251.57/8,782.22
  6. Step 6: Final answer
    x = 7,236.58

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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.