Home / 5,317.31-7,338.13-2,959.61

Finding the Fourth Proportional to 5,317.31, 7,338.13 and 2,959.61

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Solution

The fourth proportional to 5,317.31, 7,338.13 and 2,959.61 is: 4,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.31 : 7,338.13 = 2,959.61 : x
  2. Step 2: Convert to fraction form
    5,317.31/7,338.13 = 2,959.61/x
  3. Step 3: Cross multiply
    5,317.31x = 7,338.13 × 2,959.61
  4. Step 4: Simplify right side
    5,317.31x = 21,717,958.84
  5. Step 5: Solve for x
    x = 21,717,958.84/5,317.31
  6. Step 6: Final answer
    x = 4,084.39

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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.