Home / 8,196.88-12,295.26-2,931.70

Finding the Fourth Proportional to 8,196.88, 12,295.26 and 2,931.70

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Solution

The fourth proportional to 8,196.88, 12,295.26 and 2,931.70 is: 4,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.88 : 12,295.26 = 2,931.70 : x
  2. Step 2: Convert to fraction form
    8,196.88/12,295.26 = 2,931.70/x
  3. Step 3: Cross multiply
    8,196.88x = 12,295.26 × 2,931.70
  4. Step 4: Simplify right side
    8,196.88x = 36,046,013.74
  5. Step 5: Solve for x
    x = 36,046,013.74/8,196.88
  6. Step 6: Final answer
    x = 4,397.53

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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.