Home / 8,825.31-13,217.81-4,211.55

Finding the Fourth Proportional to 8,825.31, 13,217.81 and 4,211.55

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Solution

The fourth proportional to 8,825.31, 13,217.81 and 4,211.55 is: 6,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.31 : 13,217.81 = 4,211.55 : x
  2. Step 2: Convert to fraction form
    8,825.31/13,217.81 = 4,211.55/x
  3. Step 3: Cross multiply
    8,825.31x = 13,217.81 × 4,211.55
  4. Step 4: Simplify right side
    8,825.31x = 55,667,446.65
  5. Step 5: Solve for x
    x = 55,667,446.65/8,825.31
  6. Step 6: Final answer
    x = 6,307.70

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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.