Home / 5,275.32-7,279.98-2,917.53

Finding the Fourth Proportional to 5,275.32, 7,279.98 and 2,917.53

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Solution

The fourth proportional to 5,275.32, 7,279.98 and 2,917.53 is: 4,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.32 : 7,279.98 = 2,917.53 : x
  2. Step 2: Convert to fraction form
    5,275.32/7,279.98 = 2,917.53/x
  3. Step 3: Cross multiply
    5,275.32x = 7,279.98 × 2,917.53
  4. Step 4: Simplify right side
    5,275.32x = 21,239,560.05
  5. Step 5: Solve for x
    x = 21,239,560.05/5,275.32
  6. Step 6: Final answer
    x = 4,026.21

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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.