Home / 8,330.18-12,495.28-2,490.90

Finding the Fourth Proportional to 8,330.18, 12,495.28 and 2,490.90

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Solution

The fourth proportional to 8,330.18, 12,495.28 and 2,490.90 is: 3,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.18 : 12,495.28 = 2,490.90 : x
  2. Step 2: Convert to fraction form
    8,330.18/12,495.28 = 2,490.90/x
  3. Step 3: Cross multiply
    8,330.18x = 12,495.28 × 2,490.90
  4. Step 4: Simplify right side
    8,330.18x = 31,124,492.95
  5. Step 5: Solve for x
    x = 31,124,492.95/8,330.18
  6. Step 6: Final answer
    x = 3,736.35

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Similar ratio
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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.