Home / 8,319.18-11,475.63-5,961.90

Finding the Fourth Proportional to 8,319.18, 11,475.63 and 5,961.90

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Solution

The fourth proportional to 8,319.18, 11,475.63 and 5,961.90 is: 8,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.18 : 11,475.63 = 5,961.90 : x
  2. Step 2: Convert to fraction form
    8,319.18/11,475.63 = 5,961.90/x
  3. Step 3: Cross multiply
    8,319.18x = 11,475.63 × 5,961.90
  4. Step 4: Simplify right side
    8,319.18x = 68,416,558.50
  5. Step 5: Solve for x
    x = 68,416,558.50/8,319.18
  6. Step 6: Final answer
    x = 8,223.95

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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.