Home / 8,319.45-12,475.53-2,474.90

Finding the Fourth Proportional to 8,319.45, 12,475.53 and 2,474.90

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Solution

The fourth proportional to 8,319.45, 12,475.53 and 2,474.90 is: 3,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.45 : 12,475.53 = 2,474.90 : x
  2. Step 2: Convert to fraction form
    8,319.45/12,475.53 = 2,474.90/x
  3. Step 3: Cross multiply
    8,319.45x = 12,475.53 × 2,474.90
  4. Step 4: Simplify right side
    8,319.45x = 30,875,626.82
  5. Step 5: Solve for x
    x = 30,875,626.82/8,319.45
  6. Step 6: Final answer
    x = 3,711.26

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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.