Home / 8,872.20-13,316.50-4,492.72

Finding the Fourth Proportional to 8,872.20, 13,316.50 and 4,492.72

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Solution

The fourth proportional to 8,872.20, 13,316.50 and 4,492.72 is: 6,743.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.20 : 13,316.50 = 4,492.72 : x
  2. Step 2: Convert to fraction form
    8,872.20/13,316.50 = 4,492.72/x
  3. Step 3: Cross multiply
    8,872.20x = 13,316.50 × 4,492.72
  4. Step 4: Simplify right side
    8,872.20x = 59,827,305.88
  5. Step 5: Solve for x
    x = 59,827,305.88/8,872.20
  6. Step 6: Final answer
    x = 6,743.23

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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.