Home / 5,317.80-7,338.24-2,959.80

Finding the Fourth Proportional to 5,317.80, 7,338.24 and 2,959.80

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Solution

The fourth proportional to 5,317.80, 7,338.24 and 2,959.80 is: 4,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.80 : 7,338.24 = 2,959.80 : x
  2. Step 2: Convert to fraction form
    5,317.80/7,338.24 = 2,959.80/x
  3. Step 3: Cross multiply
    5,317.80x = 7,338.24 × 2,959.80
  4. Step 4: Simplify right side
    5,317.80x = 21,719,722.75
  5. Step 5: Solve for x
    x = 21,719,722.75/5,317.80
  6. Step 6: Final answer
    x = 4,084.34

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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.