Home / 8,577.66-12,867.06-3,387.18

Finding the Fourth Proportional to 8,577.66, 12,867.06 and 3,387.18

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Solution

The fourth proportional to 8,577.66, 12,867.06 and 3,387.18 is: 5,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.66 : 12,867.06 = 3,387.18 : x
  2. Step 2: Convert to fraction form
    8,577.66/12,867.06 = 3,387.18/x
  3. Step 3: Cross multiply
    8,577.66x = 12,867.06 × 3,387.18
  4. Step 4: Simplify right side
    8,577.66x = 43,583,048.29
  5. Step 5: Solve for x
    x = 43,583,048.29/8,577.66
  6. Step 6: Final answer
    x = 5,081.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.