Home / 7,319.76-10,101.30-4,177.76

Finding the Fourth Proportional to 7,319.76, 10,101.30 and 4,177.76

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Solution

The fourth proportional to 7,319.76, 10,101.30 and 4,177.76 is: 5,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.76 : 10,101.30 = 4,177.76 : x
  2. Step 2: Convert to fraction form
    7,319.76/10,101.30 = 4,177.76/x
  3. Step 3: Cross multiply
    7,319.76x = 10,101.30 × 4,177.76
  4. Step 4: Simplify right side
    7,319.76x = 42,200,807.09
  5. Step 5: Solve for x
    x = 42,200,807.09/7,319.76
  6. Step 6: Final answer
    x = 5,765.33

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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.