Home / 5,207.86-7,179.36-3,713.18

Finding the Fourth Proportional to 5,207.86, 7,179.36 and 3,713.18

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Solution

The fourth proportional to 5,207.86, 7,179.36 and 3,713.18 is: 5,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.86 : 7,179.36 = 3,713.18 : x
  2. Step 2: Convert to fraction form
    5,207.86/7,179.36 = 3,713.18/x
  3. Step 3: Cross multiply
    5,207.86x = 7,179.36 × 3,713.18
  4. Step 4: Simplify right side
    5,207.86x = 26,658,220.07
  5. Step 5: Solve for x
    x = 26,658,220.07/5,207.86
  6. Step 6: Final answer
    x = 5,118.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.