Home / 5,431.29-8,148.11-2,833.53

Finding the Fourth Proportional to 5,431.29, 8,148.11 and 2,833.53

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Solution

The fourth proportional to 5,431.29, 8,148.11 and 2,833.53 is: 4,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.29 : 8,148.11 = 2,833.53 : x
  2. Step 2: Convert to fraction form
    5,431.29/8,148.11 = 2,833.53/x
  3. Step 3: Cross multiply
    5,431.29x = 8,148.11 × 2,833.53
  4. Step 4: Simplify right side
    5,431.29x = 23,087,899.96
  5. Step 5: Solve for x
    x = 23,087,899.96/5,431.29
  6. Step 6: Final answer
    x = 4,250.91

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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.