Home / 6,879.42-10,319.13-1,685.25

Finding the Fourth Proportional to 6,879.42, 10,319.13 and 1,685.25

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Solution

The fourth proportional to 6,879.42, 10,319.13 and 1,685.25 is: 2,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.42 : 10,319.13 = 1,685.25 : x
  2. Step 2: Convert to fraction form
    6,879.42/10,319.13 = 1,685.25/x
  3. Step 3: Cross multiply
    6,879.42x = 10,319.13 × 1,685.25
  4. Step 4: Simplify right side
    6,879.42x = 17,390,313.83
  5. Step 5: Solve for x
    x = 17,390,313.83/6,879.42
  6. Step 6: Final answer
    x = 2,527.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.