Home / 8,282.66-11,418.35-5,920.70

Finding the Fourth Proportional to 8,282.66, 11,418.35 and 5,920.70

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Solution

The fourth proportional to 8,282.66, 11,418.35 and 5,920.70 is: 8,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.66 : 11,418.35 = 5,920.70 : x
  2. Step 2: Convert to fraction form
    8,282.66/11,418.35 = 5,920.70/x
  3. Step 3: Cross multiply
    8,282.66x = 11,418.35 × 5,920.70
  4. Step 4: Simplify right side
    8,282.66x = 67,604,595.24
  5. Step 5: Solve for x
    x = 67,604,595.24/8,282.66
  6. Step 6: Final answer
    x = 8,162.18

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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.