Home / 6,358.20-8,774.10-3,705.78

Finding the Fourth Proportional to 6,358.20, 8,774.10 and 3,705.78

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Solution

The fourth proportional to 6,358.20, 8,774.10 and 3,705.78 is: 5,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.20 : 8,774.10 = 3,705.78 : x
  2. Step 2: Convert to fraction form
    6,358.20/8,774.10 = 3,705.78/x
  3. Step 3: Cross multiply
    6,358.20x = 8,774.10 × 3,705.78
  4. Step 4: Simplify right side
    6,358.20x = 32,514,884.30
  5. Step 5: Solve for x
    x = 32,514,884.30/6,358.20
  6. Step 6: Final answer
    x = 5,113.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.