Home / 7,657.92-11,491.56-3,275.46

Finding the Fourth Proportional to 7,657.92, 11,491.56 and 3,275.46

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Solution

The fourth proportional to 7,657.92, 11,491.56 and 3,275.46 is: 4,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.92 : 11,491.56 = 3,275.46 : x
  2. Step 2: Convert to fraction form
    7,657.92/11,491.56 = 3,275.46/x
  3. Step 3: Cross multiply
    7,657.92x = 11,491.56 × 3,275.46
  4. Step 4: Simplify right side
    7,657.92x = 37,640,145.12
  5. Step 5: Solve for x
    x = 37,640,145.12/7,657.92
  6. Step 6: Final answer
    x = 4,915.19

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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.