Home / 10,600.40-15,899.52-2,809.28

Finding the Fourth Proportional to 10,600.40, 15,899.52 and 2,809.28

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Solution

The fourth proportional to 10,600.40, 15,899.52 and 2,809.28 is: 4,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.40 : 15,899.52 = 2,809.28 : x
  2. Step 2: Convert to fraction form
    10,600.40/15,899.52 = 2,809.28/x
  3. Step 3: Cross multiply
    10,600.40x = 15,899.52 × 2,809.28
  4. Step 4: Simplify right side
    10,600.40x = 44,666,203.55
  5. Step 5: Solve for x
    x = 44,666,203.55/10,600.40
  6. Step 6: Final answer
    x = 4,213.63

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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.