Home / 4,247.28-6,370.92-1,325.81

Finding the Fourth Proportional to 4,247.28, 6,370.92 and 1,325.81

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Solution

The fourth proportional to 4,247.28, 6,370.92 and 1,325.81 is: 1,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.28 : 6,370.92 = 1,325.81 : x
  2. Step 2: Convert to fraction form
    4,247.28/6,370.92 = 1,325.81/x
  3. Step 3: Cross multiply
    4,247.28x = 6,370.92 × 1,325.81
  4. Step 4: Simplify right side
    4,247.28x = 8,446,645.37
  5. Step 5: Solve for x
    x = 8,446,645.37/4,247.28
  6. Step 6: Final answer
    x = 1,988.72

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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.