Home / 8,179.95-12,275.28-4,484.76

Finding the Fourth Proportional to 8,179.95, 12,275.28 and 4,484.76

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Solution

The fourth proportional to 8,179.95, 12,275.28 and 4,484.76 is: 6,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.95 : 12,275.28 = 4,484.76 : x
  2. Step 2: Convert to fraction form
    8,179.95/12,275.28 = 4,484.76/x
  3. Step 3: Cross multiply
    8,179.95x = 12,275.28 × 4,484.76
  4. Step 4: Simplify right side
    8,179.95x = 55,051,684.73
  5. Step 5: Solve for x
    x = 55,051,684.73/8,179.95
  6. Step 6: Final answer
    x = 6,730.08

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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.