Home / 6,613.58-9,128.27-4,251.62

Finding the Fourth Proportional to 6,613.58, 9,128.27 and 4,251.62

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Solution

The fourth proportional to 6,613.58, 9,128.27 and 4,251.62 is: 5,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.58 : 9,128.27 = 4,251.62 : x
  2. Step 2: Convert to fraction form
    6,613.58/9,128.27 = 4,251.62/x
  3. Step 3: Cross multiply
    6,613.58x = 9,128.27 × 4,251.62
  4. Step 4: Simplify right side
    6,613.58x = 38,809,868.40
  5. Step 5: Solve for x
    x = 38,809,868.40/6,613.58
  6. Step 6: Final answer
    x = 5,868.21

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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.