Home / 7,176.96-9,903.60-4,381.92

Finding the Fourth Proportional to 7,176.96, 9,903.60 and 4,381.92

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Solution

The fourth proportional to 7,176.96, 9,903.60 and 4,381.92 is: 6,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.96 : 9,903.60 = 4,381.92 : x
  2. Step 2: Convert to fraction form
    7,176.96/9,903.60 = 4,381.92/x
  3. Step 3: Cross multiply
    7,176.96x = 9,903.60 × 4,381.92
  4. Step 4: Simplify right side
    7,176.96x = 43,396,782.91
  5. Step 5: Solve for x
    x = 43,396,782.91/7,176.96
  6. Step 6: Final answer
    x = 6,046.68

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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.