Home / 8,490.18-12,733.88-2,250.58

Finding the Fourth Proportional to 8,490.18, 12,733.88 and 2,250.58

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Solution

The fourth proportional to 8,490.18, 12,733.88 and 2,250.58 is: 3,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.18 : 12,733.88 = 2,250.58 : x
  2. Step 2: Convert to fraction form
    8,490.18/12,733.88 = 2,250.58/x
  3. Step 3: Cross multiply
    8,490.18x = 12,733.88 × 2,250.58
  4. Step 4: Simplify right side
    8,490.18x = 28,658,572.56
  5. Step 5: Solve for x
    x = 28,658,572.56/8,490.18
  6. Step 6: Final answer
    x = 3,375.50

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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.