Home / 8,572.30-11,832.15-4,987.95

Finding the Fourth Proportional to 8,572.30, 11,832.15 and 4,987.95

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Solution

The fourth proportional to 8,572.30, 11,832.15 and 4,987.95 is: 6,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.30 : 11,832.15 = 4,987.95 : x
  2. Step 2: Convert to fraction form
    8,572.30/11,832.15 = 4,987.95/x
  3. Step 3: Cross multiply
    8,572.30x = 11,832.15 × 4,987.95
  4. Step 4: Simplify right side
    8,572.30x = 59,018,191.30
  5. Step 5: Solve for x
    x = 59,018,191.30/8,572.30
  6. Step 6: Final answer
    x = 6,884.75

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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.