Home / 8,247.12-12,362.28-4,080.88

Finding the Fourth Proportional to 8,247.12, 12,362.28 and 4,080.88

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Solution

The fourth proportional to 8,247.12, 12,362.28 and 4,080.88 is: 6,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.12 : 12,362.28 = 4,080.88 : x
  2. Step 2: Convert to fraction form
    8,247.12/12,362.28 = 4,080.88/x
  3. Step 3: Cross multiply
    8,247.12x = 12,362.28 × 4,080.88
  4. Step 4: Simplify right side
    8,247.12x = 50,448,981.21
  5. Step 5: Solve for x
    x = 50,448,981.21/8,247.12
  6. Step 6: Final answer
    x = 6,117.16

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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.