Home / 5,147.15-7,715.53-2,029.35

Finding the Fourth Proportional to 5,147.15, 7,715.53 and 2,029.35

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Solution

The fourth proportional to 5,147.15, 7,715.53 and 2,029.35 is: 3,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.15 : 7,715.53 = 2,029.35 : x
  2. Step 2: Convert to fraction form
    5,147.15/7,715.53 = 2,029.35/x
  3. Step 3: Cross multiply
    5,147.15x = 7,715.53 × 2,029.35
  4. Step 4: Simplify right side
    5,147.15x = 15,657,500.66
  5. Step 5: Solve for x
    x = 15,657,500.66/5,147.15
  6. Step 6: Final answer
    x = 3,041.97

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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.