Home / 6,345.76-8,751.33-5,449.19

Finding the Fourth Proportional to 6,345.76, 8,751.33 and 5,449.19

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Solution

The fourth proportional to 6,345.76, 8,751.33 and 5,449.19 is: 7,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.76 : 8,751.33 = 5,449.19 : x
  2. Step 2: Convert to fraction form
    6,345.76/8,751.33 = 5,449.19/x
  3. Step 3: Cross multiply
    6,345.76x = 8,751.33 × 5,449.19
  4. Step 4: Simplify right side
    6,345.76x = 47,687,659.92
  5. Step 5: Solve for x
    x = 47,687,659.92/6,345.76
  6. Step 6: Final answer
    x = 7,514.89

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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.