Home / 10,408.31-15,617.59-4,860.85

Finding the Fourth Proportional to 10,408.31, 15,617.59 and 4,860.85

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Solution

The fourth proportional to 10,408.31, 15,617.59 and 4,860.85 is: 7,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.31 : 15,617.59 = 4,860.85 : x
  2. Step 2: Convert to fraction form
    10,408.31/15,617.59 = 4,860.85/x
  3. Step 3: Cross multiply
    10,408.31x = 15,617.59 × 4,860.85
  4. Step 4: Simplify right side
    10,408.31x = 75,914,684.26
  5. Step 5: Solve for x
    x = 75,914,684.26/10,408.31
  6. Step 6: Final answer
    x = 7,293.66

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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.