Home / 8,890.12-13,337.34-2,649.88

Finding the Fourth Proportional to 8,890.12, 13,337.34 and 2,649.88

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Solution

The fourth proportional to 8,890.12, 13,337.34 and 2,649.88 is: 3,975.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.12 : 13,337.34 = 2,649.88 : x
  2. Step 2: Convert to fraction form
    8,890.12/13,337.34 = 2,649.88/x
  3. Step 3: Cross multiply
    8,890.12x = 13,337.34 × 2,649.88
  4. Step 4: Simplify right side
    8,890.12x = 35,342,350.52
  5. Step 5: Solve for x
    x = 35,342,350.52/8,890.12
  6. Step 6: Final answer
    x = 3,975.46

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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.