Home / 5,250.15-7,867.80-2,911.19

Finding the Fourth Proportional to 5,250.15, 7,867.80 and 2,911.19

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Solution

The fourth proportional to 5,250.15, 7,867.80 and 2,911.19 is: 4,362.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.15 : 7,867.80 = 2,911.19 : x
  2. Step 2: Convert to fraction form
    5,250.15/7,867.80 = 2,911.19/x
  3. Step 3: Cross multiply
    5,250.15x = 7,867.80 × 2,911.19
  4. Step 4: Simplify right side
    5,250.15x = 22,904,621.34
  5. Step 5: Solve for x
    x = 22,904,621.34/5,250.15
  6. Step 6: Final answer
    x = 4,362.66

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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.