Home / 8,498.20-11,726.50-4,720.88

Finding the Fourth Proportional to 8,498.20, 11,726.50 and 4,720.88

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Solution

The fourth proportional to 8,498.20, 11,726.50 and 4,720.88 is: 6,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.20 : 11,726.50 = 4,720.88 : x
  2. Step 2: Convert to fraction form
    8,498.20/11,726.50 = 4,720.88/x
  3. Step 3: Cross multiply
    8,498.20x = 11,726.50 × 4,720.88
  4. Step 4: Simplify right side
    8,498.20x = 55,359,412.41
  5. Step 5: Solve for x
    x = 55,359,412.41/8,498.20
  6. Step 6: Final answer
    x = 6,514.25

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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.