Home / 4,641.15-6,967.67-3,987.21

Finding the Fourth Proportional to 4,641.15, 6,967.67 and 3,987.21

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Solution

The fourth proportional to 4,641.15, 6,967.67 and 3,987.21 is: 5,985.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.15 : 6,967.67 = 3,987.21 : x
  2. Step 2: Convert to fraction form
    4,641.15/6,967.67 = 3,987.21/x
  3. Step 3: Cross multiply
    4,641.15x = 6,967.67 × 3,987.21
  4. Step 4: Simplify right side
    4,641.15x = 27,781,543.56
  5. Step 5: Solve for x
    x = 27,781,543.56/4,641.15
  6. Step 6: Final answer
    x = 5,985.92

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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.