Home / 5,322.19-7,959.05-3,988.85

Finding the Fourth Proportional to 5,322.19, 7,959.05 and 3,988.85

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Solution

The fourth proportional to 5,322.19, 7,959.05 and 3,988.85 is: 5,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.19 : 7,959.05 = 3,988.85 : x
  2. Step 2: Convert to fraction form
    5,322.19/7,959.05 = 3,988.85/x
  3. Step 3: Cross multiply
    5,322.19x = 7,959.05 × 3,988.85
  4. Step 4: Simplify right side
    5,322.19x = 31,747,406.20
  5. Step 5: Solve for x
    x = 31,747,406.20/5,322.19
  6. Step 6: Final answer
    x = 5,965.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.