Home / 5,378.32-8,104.03-4,425.76

Finding the Fourth Proportional to 5,378.32, 8,104.03 and 4,425.76

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Solution

The fourth proportional to 5,378.32, 8,104.03 and 4,425.76 is: 6,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.32 : 8,104.03 = 4,425.76 : x
  2. Step 2: Convert to fraction form
    5,378.32/8,104.03 = 4,425.76/x
  3. Step 3: Cross multiply
    5,378.32x = 8,104.03 × 4,425.76
  4. Step 4: Simplify right side
    5,378.32x = 35,866,491.81
  5. Step 5: Solve for x
    x = 35,866,491.81/5,378.32
  6. Step 6: Final answer
    x = 6,668.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.