Home / 8,316.38-12,476.28-3,386.04

Finding the Fourth Proportional to 8,316.38, 12,476.28 and 3,386.04

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Solution

The fourth proportional to 8,316.38, 12,476.28 and 3,386.04 is: 5,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.38 : 12,476.28 = 3,386.04 : x
  2. Step 2: Convert to fraction form
    8,316.38/12,476.28 = 3,386.04/x
  3. Step 3: Cross multiply
    8,316.38x = 12,476.28 × 3,386.04
  4. Step 4: Simplify right side
    8,316.38x = 42,245,183.13
  5. Step 5: Solve for x
    x = 42,245,183.13/8,316.38
  6. Step 6: Final answer
    x = 5,079.76

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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.