Home / 10,640.26-15,960.38-2,848.86

Finding the Fourth Proportional to 10,640.26, 15,960.38 and 2,848.86

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Solution

The fourth proportional to 10,640.26, 15,960.38 and 2,848.86 is: 4,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.26 : 15,960.38 = 2,848.86 : x
  2. Step 2: Convert to fraction form
    10,640.26/15,960.38 = 2,848.86/x
  3. Step 3: Cross multiply
    10,640.26x = 15,960.38 × 2,848.86
  4. Step 4: Simplify right side
    10,640.26x = 45,468,888.17
  5. Step 5: Solve for x
    x = 45,468,888.17/10,640.26
  6. Step 6: Final answer
    x = 4,273.29

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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.