Home / 4,157.61-6,239.11-2,211.18

Finding the Fourth Proportional to 4,157.61, 6,239.11 and 2,211.18

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Solution

The fourth proportional to 4,157.61, 6,239.11 and 2,211.18 is: 3,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157.61 : 6,239.11 = 2,211.18 : x
  2. Step 2: Convert to fraction form
    4,157.61/6,239.11 = 2,211.18/x
  3. Step 3: Cross multiply
    4,157.61x = 6,239.11 × 2,211.18
  4. Step 4: Simplify right side
    4,157.61x = 13,795,795.25
  5. Step 5: Solve for x
    x = 13,795,795.25/4,157.61
  6. Step 6: Final answer
    x = 3,318.20

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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.