Home / 7,211.55-9,952.01-4,025.15

Finding the Fourth Proportional to 7,211.55, 9,952.01 and 4,025.15

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Solution

The fourth proportional to 7,211.55, 9,952.01 and 4,025.15 is: 5,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.55 : 9,952.01 = 4,025.15 : x
  2. Step 2: Convert to fraction form
    7,211.55/9,952.01 = 4,025.15/x
  3. Step 3: Cross multiply
    7,211.55x = 9,952.01 × 4,025.15
  4. Step 4: Simplify right side
    7,211.55x = 40,058,293.35
  5. Step 5: Solve for x
    x = 40,058,293.35/7,211.55
  6. Step 6: Final answer
    x = 5,554.74

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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.