Home / 5,479.24-8,211.80-4,773.59

Finding the Fourth Proportional to 5,479.24, 8,211.80 and 4,773.59

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Solution

The fourth proportional to 5,479.24, 8,211.80 and 4,773.59 is: 7,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.24 : 8,211.80 = 4,773.59 : x
  2. Step 2: Convert to fraction form
    5,479.24/8,211.80 = 4,773.59/x
  3. Step 3: Cross multiply
    5,479.24x = 8,211.80 × 4,773.59
  4. Step 4: Simplify right side
    5,479.24x = 39,199,766.36
  5. Step 5: Solve for x
    x = 39,199,766.36/5,479.24
  6. Step 6: Final answer
    x = 7,154.23

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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.