Home / 6,472.06-8,931.60-3,639.69

Finding the Fourth Proportional to 6,472.06, 8,931.60 and 3,639.69

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Solution

The fourth proportional to 6,472.06, 8,931.60 and 3,639.69 is: 5,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.06 : 8,931.60 = 3,639.69 : x
  2. Step 2: Convert to fraction form
    6,472.06/8,931.60 = 3,639.69/x
  3. Step 3: Cross multiply
    6,472.06x = 8,931.60 × 3,639.69
  4. Step 4: Simplify right side
    6,472.06x = 32,508,255.20
  5. Step 5: Solve for x
    x = 32,508,255.20/6,472.06
  6. Step 6: Final answer
    x = 5,022.86

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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.