Home / 9,125.79-13,676.29-5,175.18

Finding the Fourth Proportional to 9,125.79, 13,676.29 and 5,175.18

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Solution

The fourth proportional to 9,125.79, 13,676.29 and 5,175.18 is: 7,755.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.79 : 13,676.29 = 5,175.18 : x
  2. Step 2: Convert to fraction form
    9,125.79/13,676.29 = 5,175.18/x
  3. Step 3: Cross multiply
    9,125.79x = 13,676.29 × 5,175.18
  4. Step 4: Simplify right side
    9,125.79x = 70,777,262.48
  5. Step 5: Solve for x
    x = 70,777,262.48/9,125.79
  6. Step 6: Final answer
    x = 7,755.74

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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.