Home / 8,589.60-12,886.24-2,666.36

Finding the Fourth Proportional to 8,589.60, 12,886.24 and 2,666.36

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Solution

The fourth proportional to 8,589.60, 12,886.24 and 2,666.36 is: 4,000.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.60 : 12,886.24 = 2,666.36 : x
  2. Step 2: Convert to fraction form
    8,589.60/12,886.24 = 2,666.36/x
  3. Step 3: Cross multiply
    8,589.60x = 12,886.24 × 2,666.36
  4. Step 4: Simplify right side
    8,589.60x = 34,359,354.89
  5. Step 5: Solve for x
    x = 34,359,354.89/8,589.60
  6. Step 6: Final answer
    x = 4,000.11

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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.