Home / 8,748.53-12,072.98-4,971.71

Finding the Fourth Proportional to 8,748.53, 12,072.98 and 4,971.71

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Solution

The fourth proportional to 8,748.53, 12,072.98 and 4,971.71 is: 6,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.53 : 12,072.98 = 4,971.71 : x
  2. Step 2: Convert to fraction form
    8,748.53/12,072.98 = 4,971.71/x
  3. Step 3: Cross multiply
    8,748.53x = 12,072.98 × 4,971.71
  4. Step 4: Simplify right side
    8,748.53x = 60,023,278.16
  5. Step 5: Solve for x
    x = 60,023,278.16/8,748.53
  6. Step 6: Final answer
    x = 6,860.95

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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.