Home / 6,479.19-9,715.48-2,318.49

Finding the Fourth Proportional to 6,479.19, 9,715.48 and 2,318.49

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Solution

The fourth proportional to 6,479.19, 9,715.48 and 2,318.49 is: 3,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479.19 : 9,715.48 = 2,318.49 : x
  2. Step 2: Convert to fraction form
    6,479.19/9,715.48 = 2,318.49/x
  3. Step 3: Cross multiply
    6,479.19x = 9,715.48 × 2,318.49
  4. Step 4: Simplify right side
    6,479.19x = 22,525,237.43
  5. Step 5: Solve for x
    x = 22,525,237.43/6,479.19
  6. Step 6: Final answer
    x = 3,476.55

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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.