Home / 6,501.31-8,971.79-3,517.12

Finding the Fourth Proportional to 6,501.31, 8,971.79 and 3,517.12

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Solution

The fourth proportional to 6,501.31, 8,971.79 and 3,517.12 is: 4,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.31 : 8,971.79 = 3,517.12 : x
  2. Step 2: Convert to fraction form
    6,501.31/8,971.79 = 3,517.12/x
  3. Step 3: Cross multiply
    6,501.31x = 8,971.79 × 3,517.12
  4. Step 4: Simplify right side
    6,501.31x = 31,554,865.57
  5. Step 5: Solve for x
    x = 31,554,865.57/6,501.31
  6. Step 6: Final answer
    x = 4,853.61

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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.