Home / 8,082.32-12,123.48-4,457.36

Finding the Fourth Proportional to 8,082.32, 12,123.48 and 4,457.36

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Solution

The fourth proportional to 8,082.32, 12,123.48 and 4,457.36 is: 6,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.32 : 12,123.48 = 4,457.36 : x
  2. Step 2: Convert to fraction form
    8,082.32/12,123.48 = 4,457.36/x
  3. Step 3: Cross multiply
    8,082.32x = 12,123.48 × 4,457.36
  4. Step 4: Simplify right side
    8,082.32x = 54,038,714.81
  5. Step 5: Solve for x
    x = 54,038,714.81/8,082.32
  6. Step 6: Final answer
    x = 6,686.04

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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.