Home / 4,211.88-6,318.90-1,615.02

Finding the Fourth Proportional to 4,211.88, 6,318.90 and 1,615.02

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Solution

The fourth proportional to 4,211.88, 6,318.90 and 1,615.02 is: 2,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.88 : 6,318.90 = 1,615.02 : x
  2. Step 2: Convert to fraction form
    4,211.88/6,318.90 = 1,615.02/x
  3. Step 3: Cross multiply
    4,211.88x = 6,318.90 × 1,615.02
  4. Step 4: Simplify right side
    4,211.88x = 10,205,149.88
  5. Step 5: Solve for x
    x = 10,205,149.88/4,211.88
  6. Step 6: Final answer
    x = 2,422.94

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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.