Home / 6,849.70-9,436.20-6,516.18

Finding the Fourth Proportional to 6,849.70, 9,436.20 and 6,516.18

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Solution

The fourth proportional to 6,849.70, 9,436.20 and 6,516.18 is: 8,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.70 : 9,436.20 = 6,516.18 : x
  2. Step 2: Convert to fraction form
    6,849.70/9,436.20 = 6,516.18/x
  3. Step 3: Cross multiply
    6,849.70x = 9,436.20 × 6,516.18
  4. Step 4: Simplify right side
    6,849.70x = 61,487,977.72
  5. Step 5: Solve for x
    x = 61,487,977.72/6,849.70
  6. Step 6: Final answer
    x = 8,976.74

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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.