Home / 4,479.65-6,687.26-4,155.25

Finding the Fourth Proportional to 4,479.65, 6,687.26 and 4,155.25

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Solution

The fourth proportional to 4,479.65, 6,687.26 and 4,155.25 is: 6,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.65 : 6,687.26 = 4,155.25 : x
  2. Step 2: Convert to fraction form
    4,479.65/6,687.26 = 4,155.25/x
  3. Step 3: Cross multiply
    4,479.65x = 6,687.26 × 4,155.25
  4. Step 4: Simplify right side
    4,479.65x = 27,787,227.74
  5. Step 5: Solve for x
    x = 27,787,227.74/4,479.65
  6. Step 6: Final answer
    x = 6,202.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.