Home / 6,520.90-9,774.15-3,601.30

Finding the Fourth Proportional to 6,520.90, 9,774.15 and 3,601.30

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Solution

The fourth proportional to 6,520.90, 9,774.15 and 3,601.30 is: 5,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.90 : 9,774.15 = 3,601.30 : x
  2. Step 2: Convert to fraction form
    6,520.90/9,774.15 = 3,601.30/x
  3. Step 3: Cross multiply
    6,520.90x = 9,774.15 × 3,601.30
  4. Step 4: Simplify right side
    6,520.90x = 35,199,646.40
  5. Step 5: Solve for x
    x = 35,199,646.40/6,520.90
  6. Step 6: Final answer
    x = 5,397.97

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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.