Home / 10,607.02-15,910.49-2,815.90

Finding the Fourth Proportional to 10,607.02, 15,910.49 and 2,815.90

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Solution

The fourth proportional to 10,607.02, 15,910.49 and 2,815.90 is: 4,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,607.02 : 15,910.49 = 2,815.90 : x
  2. Step 2: Convert to fraction form
    10,607.02/15,910.49 = 2,815.90/x
  3. Step 3: Cross multiply
    10,607.02x = 15,910.49 × 2,815.90
  4. Step 4: Simplify right side
    10,607.02x = 44,802,348.79
  5. Step 5: Solve for x
    x = 44,802,348.79/10,607.02
  6. Step 6: Final answer
    x = 4,223.84

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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.