Home / 6,613.54-9,125.67-3,818.50

Finding the Fourth Proportional to 6,613.54, 9,125.67 and 3,818.50

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Solution

The fourth proportional to 6,613.54, 9,125.67 and 3,818.50 is: 5,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.54 : 9,125.67 = 3,818.50 : x
  2. Step 2: Convert to fraction form
    6,613.54/9,125.67 = 3,818.50/x
  3. Step 3: Cross multiply
    6,613.54x = 9,125.67 × 3,818.50
  4. Step 4: Simplify right side
    6,613.54x = 34,846,370.90
  5. Step 5: Solve for x
    x = 34,846,370.90/6,613.54
  6. Step 6: Final answer
    x = 5,268.94

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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.