Home / 6,431.96-8,876.52-3,599.66

Finding the Fourth Proportional to 6,431.96, 8,876.52 and 3,599.66

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Solution

The fourth proportional to 6,431.96, 8,876.52 and 3,599.66 is: 4,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.96 : 8,876.52 = 3,599.66 : x
  2. Step 2: Convert to fraction form
    6,431.96/8,876.52 = 3,599.66/x
  3. Step 3: Cross multiply
    6,431.96x = 8,876.52 × 3,599.66
  4. Step 4: Simplify right side
    6,431.96x = 31,952,476.17
  5. Step 5: Solve for x
    x = 31,952,476.17/6,431.96
  6. Step 6: Final answer
    x = 4,967.76

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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.