Home / 7,983.29-11,016.16-4,398.20

Finding the Fourth Proportional to 7,983.29, 11,016.16 and 4,398.20

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Solution

The fourth proportional to 7,983.29, 11,016.16 and 4,398.20 is: 6,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.29 : 11,016.16 = 4,398.20 : x
  2. Step 2: Convert to fraction form
    7,983.29/11,016.16 = 4,398.20/x
  3. Step 3: Cross multiply
    7,983.29x = 11,016.16 × 4,398.20
  4. Step 4: Simplify right side
    7,983.29x = 48,451,274.91
  5. Step 5: Solve for x
    x = 48,451,274.91/7,983.29
  6. Step 6: Final answer
    x = 6,069.09

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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.