Home / 6,479.76-9,713.70-2,318.79

Finding the Fourth Proportional to 6,479.76, 9,713.70 and 2,318.79

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Solution

The fourth proportional to 6,479.76, 9,713.70 and 2,318.79 is: 3,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.76 : 9,713.70 = 2,318.79 : x
  2. Step 2: Convert to fraction form
    6,479.76/9,713.70 = 2,318.79/x
  3. Step 3: Cross multiply
    6,479.76x = 9,713.70 × 2,318.79
  4. Step 4: Simplify right side
    6,479.76x = 22,524,030.42
  5. Step 5: Solve for x
    x = 22,524,030.42/6,479.76
  6. Step 6: Final answer
    x = 3,476.06

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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.