Home / 8,319.02-12,480.57-2,475.59

Finding the Fourth Proportional to 8,319.02, 12,480.57 and 2,475.59

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Solution

The fourth proportional to 8,319.02, 12,480.57 and 2,475.59 is: 3,713.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.02 : 12,480.57 = 2,475.59 : x
  2. Step 2: Convert to fraction form
    8,319.02/12,480.57 = 2,475.59/x
  3. Step 3: Cross multiply
    8,319.02x = 12,480.57 × 2,475.59
  4. Step 4: Simplify right side
    8,319.02x = 30,896,711.88
  5. Step 5: Solve for x
    x = 30,896,711.88/8,319.02
  6. Step 6: Final answer
    x = 3,713.99

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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.