Home / 8,521.29-11,760.49-4,888.76

Finding the Fourth Proportional to 8,521.29, 11,760.49 and 4,888.76

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Solution

The fourth proportional to 8,521.29, 11,760.49 and 4,888.76 is: 6,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.29 : 11,760.49 = 4,888.76 : x
  2. Step 2: Convert to fraction form
    8,521.29/11,760.49 = 4,888.76/x
  3. Step 3: Cross multiply
    8,521.29x = 11,760.49 × 4,888.76
  4. Step 4: Simplify right side
    8,521.29x = 57,494,213.09
  5. Step 5: Solve for x
    x = 57,494,213.09/8,521.29
  6. Step 6: Final answer
    x = 6,747.13

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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.