Home / 5,317.68-7,338.36-2,959.80

Finding the Fourth Proportional to 5,317.68, 7,338.36 and 2,959.80

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Solution

The fourth proportional to 5,317.68, 7,338.36 and 2,959.80 is: 4,084.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.68 : 7,338.36 = 2,959.80 : x
  2. Step 2: Convert to fraction form
    5,317.68/7,338.36 = 2,959.80/x
  3. Step 3: Cross multiply
    5,317.68x = 7,338.36 × 2,959.80
  4. Step 4: Simplify right side
    5,317.68x = 21,720,077.93
  5. Step 5: Solve for x
    x = 21,720,077.93/5,317.68
  6. Step 6: Final answer
    x = 4,084.50

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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.