Home / 5,686.16-8,520.92-2,519.76

Finding the Fourth Proportional to 5,686.16, 8,520.92 and 2,519.76

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Solution

The fourth proportional to 5,686.16, 8,520.92 and 2,519.76 is: 3,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.16 : 8,520.92 = 2,519.76 : x
  2. Step 2: Convert to fraction form
    5,686.16/8,520.92 = 2,519.76/x
  3. Step 3: Cross multiply
    5,686.16x = 8,520.92 × 2,519.76
  4. Step 4: Simplify right side
    5,686.16x = 21,470,673.38
  5. Step 5: Solve for x
    x = 21,470,673.38/5,686.16
  6. Step 6: Final answer
    x = 3,775.95

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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.