Home / 7,516.71-11,275.06-2,586.39

Finding the Fourth Proportional to 7,516.71, 11,275.06 and 2,586.39

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Solution

The fourth proportional to 7,516.71, 11,275.06 and 2,586.39 is: 3,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.71 : 11,275.06 = 2,586.39 : x
  2. Step 2: Convert to fraction form
    7,516.71/11,275.06 = 2,586.39/x
  3. Step 3: Cross multiply
    7,516.71x = 11,275.06 × 2,586.39
  4. Step 4: Simplify right side
    7,516.71x = 29,161,689.50
  5. Step 5: Solve for x
    x = 29,161,689.50/7,516.71
  6. Step 6: Final answer
    x = 3,879.58

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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.