Home / 8,926.55-13,390.17-2,687.45

Finding the Fourth Proportional to 8,926.55, 13,390.17 and 2,687.45

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Solution

The fourth proportional to 8,926.55, 13,390.17 and 2,687.45 is: 4,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.55 : 13,390.17 = 2,687.45 : x
  2. Step 2: Convert to fraction form
    8,926.55/13,390.17 = 2,687.45/x
  3. Step 3: Cross multiply
    8,926.55x = 13,390.17 × 2,687.45
  4. Step 4: Simplify right side
    8,926.55x = 35,985,331.98
  5. Step 5: Solve for x
    x = 35,985,331.98/8,926.55
  6. Step 6: Final answer
    x = 4,031.27

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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.