Home / 7,516.76-11,275.39-2,586.29

Finding the Fourth Proportional to 7,516.76, 11,275.39 and 2,586.29

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Solution

The fourth proportional to 7,516.76, 11,275.39 and 2,586.29 is: 3,879.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.76 : 11,275.39 = 2,586.29 : x
  2. Step 2: Convert to fraction form
    7,516.76/11,275.39 = 2,586.29/x
  3. Step 3: Cross multiply
    7,516.76x = 11,275.39 × 2,586.29
  4. Step 4: Simplify right side
    7,516.76x = 29,161,428.40
  5. Step 5: Solve for x
    x = 29,161,428.40/7,516.76
  6. Step 6: Final answer
    x = 3,879.52

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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.