Home / 5,216.76-7,207.20-4,375.98

Finding the Fourth Proportional to 5,216.76, 7,207.20 and 4,375.98

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Solution

The fourth proportional to 5,216.76, 7,207.20 and 4,375.98 is: 6,045.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.76 : 7,207.20 = 4,375.98 : x
  2. Step 2: Convert to fraction form
    5,216.76/7,207.20 = 4,375.98/x
  3. Step 3: Cross multiply
    5,216.76x = 7,207.20 × 4,375.98
  4. Step 4: Simplify right side
    5,216.76x = 31,538,563.06
  5. Step 5: Solve for x
    x = 31,538,563.06/5,216.76
  6. Step 6: Final answer
    x = 6,045.62

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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.