Home / 10,280.22-15,419.53-2,884.38

Finding the Fourth Proportional to 10,280.22, 15,419.53 and 2,884.38

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Solution

The fourth proportional to 10,280.22, 15,419.53 and 2,884.38 is: 4,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.22 : 15,419.53 = 2,884.38 : x
  2. Step 2: Convert to fraction form
    10,280.22/15,419.53 = 2,884.38/x
  3. Step 3: Cross multiply
    10,280.22x = 15,419.53 × 2,884.38
  4. Step 4: Simplify right side
    10,280.22x = 44,475,729.72
  5. Step 5: Solve for x
    x = 44,475,729.72/10,280.22
  6. Step 6: Final answer
    x = 4,326.34

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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.