Home / 10,600.64-15,901.86-2,809.36

Finding the Fourth Proportional to 10,600.64, 15,901.86 and 2,809.36

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Solution

The fourth proportional to 10,600.64, 15,901.86 and 2,809.36 is: 4,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.64 : 15,901.86 = 2,809.36 : x
  2. Step 2: Convert to fraction form
    10,600.64/15,901.86 = 2,809.36/x
  3. Step 3: Cross multiply
    10,600.64x = 15,901.86 × 2,809.36
  4. Step 4: Simplify right side
    10,600.64x = 44,674,049.41
  5. Step 5: Solve for x
    x = 44,674,049.41/10,600.64
  6. Step 6: Final answer
    x = 4,214.28

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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.