Home / 5,339.16-7,367.88-2,981.28

Finding the Fourth Proportional to 5,339.16, 7,367.88 and 2,981.28

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Solution

The fourth proportional to 5,339.16, 7,367.88 and 2,981.28 is: 4,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.16 : 7,367.88 = 2,981.28 : x
  2. Step 2: Convert to fraction form
    5,339.16/7,367.88 = 2,981.28/x
  3. Step 3: Cross multiply
    5,339.16x = 7,367.88 × 2,981.28
  4. Step 4: Simplify right side
    5,339.16x = 21,965,713.29
  5. Step 5: Solve for x
    x = 21,965,713.29/5,339.16
  6. Step 6: Final answer
    x = 4,114.08

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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.