Home / 8,275.24-12,405.88-3,591.72

Finding the Fourth Proportional to 8,275.24, 12,405.88 and 3,591.72

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Solution

The fourth proportional to 8,275.24, 12,405.88 and 3,591.72 is: 5,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.24 : 12,405.88 = 3,591.72 : x
  2. Step 2: Convert to fraction form
    8,275.24/12,405.88 = 3,591.72/x
  3. Step 3: Cross multiply
    8,275.24x = 12,405.88 × 3,591.72
  4. Step 4: Simplify right side
    8,275.24x = 44,558,396.71
  5. Step 5: Solve for x
    x = 44,558,396.71/8,275.24
  6. Step 6: Final answer
    x = 5,384.55

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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.