Home / 5,229.55-7,216.45-4,811.59

Finding the Fourth Proportional to 5,229.55, 7,216.45 and 4,811.59

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Solution

The fourth proportional to 5,229.55, 7,216.45 and 4,811.59 is: 6,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.55 : 7,216.45 = 4,811.59 : x
  2. Step 2: Convert to fraction form
    5,229.55/7,216.45 = 4,811.59/x
  3. Step 3: Cross multiply
    5,229.55x = 7,216.45 × 4,811.59
  4. Step 4: Simplify right side
    5,229.55x = 34,722,598.66
  5. Step 5: Solve for x
    x = 34,722,598.66/5,229.55
  6. Step 6: Final answer
    x = 6,639.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.