Home / 5,234.96-7,854.60-2,117.18

Finding the Fourth Proportional to 5,234.96, 7,854.60 and 2,117.18

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Solution

The fourth proportional to 5,234.96, 7,854.60 and 2,117.18 is: 3,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.96 : 7,854.60 = 2,117.18 : x
  2. Step 2: Convert to fraction form
    5,234.96/7,854.60 = 2,117.18/x
  3. Step 3: Cross multiply
    5,234.96x = 7,854.60 × 2,117.18
  4. Step 4: Simplify right side
    5,234.96x = 16,629,562.76
  5. Step 5: Solve for x
    x = 16,629,562.76/5,234.96
  6. Step 6: Final answer
    x = 3,176.64

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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.