Home / 6,108.31-8,433.62-5,689.74

Finding the Fourth Proportional to 6,108.31, 8,433.62 and 5,689.74

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Solution

The fourth proportional to 6,108.31, 8,433.62 and 5,689.74 is: 7,855.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.31 : 8,433.62 = 5,689.74 : x
  2. Step 2: Convert to fraction form
    6,108.31/8,433.62 = 5,689.74/x
  3. Step 3: Cross multiply
    6,108.31x = 8,433.62 × 5,689.74
  4. Step 4: Simplify right side
    6,108.31x = 47,985,129.57
  5. Step 5: Solve for x
    x = 47,985,129.57/6,108.31
  6. Step 6: Final answer
    x = 7,855.71

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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.