Home / 6,212.77-8,562.92-4,531.55

Finding the Fourth Proportional to 6,212.77, 8,562.92 and 4,531.55

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Solution

The fourth proportional to 6,212.77, 8,562.92 and 4,531.55 is: 6,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.77 : 8,562.92 = 4,531.55 : x
  2. Step 2: Convert to fraction form
    6,212.77/8,562.92 = 4,531.55/x
  3. Step 3: Cross multiply
    6,212.77x = 8,562.92 × 4,531.55
  4. Step 4: Simplify right side
    6,212.77x = 38,803,234.65
  5. Step 5: Solve for x
    x = 38,803,234.65/6,212.77
  6. Step 6: Final answer
    x = 6,245.72

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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.