Home / 8,771.07-13,156.71-2,531.20

Finding the Fourth Proportional to 8,771.07, 13,156.71 and 2,531.20

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Solution

The fourth proportional to 8,771.07, 13,156.71 and 2,531.20 is: 3,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.07 : 13,156.71 = 2,531.20 : x
  2. Step 2: Convert to fraction form
    8,771.07/13,156.71 = 2,531.20/x
  3. Step 3: Cross multiply
    8,771.07x = 13,156.71 × 2,531.20
  4. Step 4: Simplify right side
    8,771.07x = 33,302,264.35
  5. Step 5: Solve for x
    x = 33,302,264.35/8,771.07
  6. Step 6: Final answer
    x = 3,796.83

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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.