Home / 7,322.28-10,102.32-4,177.80

Finding the Fourth Proportional to 7,322.28, 10,102.32 and 4,177.80

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Solution

The fourth proportional to 7,322.28, 10,102.32 and 4,177.80 is: 5,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.28 : 10,102.32 = 4,177.80 : x
  2. Step 2: Convert to fraction form
    7,322.28/10,102.32 = 4,177.80/x
  3. Step 3: Cross multiply
    7,322.28x = 10,102.32 × 4,177.80
  4. Step 4: Simplify right side
    7,322.28x = 42,205,472.50
  5. Step 5: Solve for x
    x = 42,205,472.50/7,322.28
  6. Step 6: Final answer
    x = 5,763.98

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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.