Home / 8,277.20-11,422.30-4,500.20

Finding the Fourth Proportional to 8,277.20, 11,422.30 and 4,500.20

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Solution

The fourth proportional to 8,277.20, 11,422.30 and 4,500.20 is: 6,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.20 : 11,422.30 = 4,500.20 : x
  2. Step 2: Convert to fraction form
    8,277.20/11,422.30 = 4,500.20/x
  3. Step 3: Cross multiply
    8,277.20x = 11,422.30 × 4,500.20
  4. Step 4: Simplify right side
    8,277.20x = 51,402,634.46
  5. Step 5: Solve for x
    x = 51,402,634.46/8,277.20
  6. Step 6: Final answer
    x = 6,210.15

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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.