Home / 5,686.95-8,531.72-1,738.57

Finding the Fourth Proportional to 5,686.95, 8,531.72 and 1,738.57

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Solution

The fourth proportional to 5,686.95, 8,531.72 and 1,738.57 is: 2,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.95 : 8,531.72 = 1,738.57 : x
  2. Step 2: Convert to fraction form
    5,686.95/8,531.72 = 1,738.57/x
  3. Step 3: Cross multiply
    5,686.95x = 8,531.72 × 1,738.57
  4. Step 4: Simplify right side
    5,686.95x = 14,832,992.44
  5. Step 5: Solve for x
    x = 14,832,992.44/5,686.95
  6. Step 6: Final answer
    x = 2,608.25

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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.