Home / 8,577.53-12,854.70-3,891.72

Finding the Fourth Proportional to 8,577.53, 12,854.70 and 3,891.72

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Solution

The fourth proportional to 8,577.53, 12,854.70 and 3,891.72 is: 5,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.53 : 12,854.70 = 3,891.72 : x
  2. Step 2: Convert to fraction form
    8,577.53/12,854.70 = 3,891.72/x
  3. Step 3: Cross multiply
    8,577.53x = 12,854.70 × 3,891.72
  4. Step 4: Simplify right side
    8,577.53x = 50,026,893.08
  5. Step 5: Solve for x
    x = 50,026,893.08/8,577.53
  6. Step 6: Final answer
    x = 5,832.32

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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.