Home / 7,218.96-10,808.80-3,748.92

Finding the Fourth Proportional to 7,218.96, 10,808.80 and 3,748.92

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Solution

The fourth proportional to 7,218.96, 10,808.80 and 3,748.92 is: 5,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.96 : 10,808.80 = 3,748.92 : x
  2. Step 2: Convert to fraction form
    7,218.96/10,808.80 = 3,748.92/x
  3. Step 3: Cross multiply
    7,218.96x = 10,808.80 × 3,748.92
  4. Step 4: Simplify right side
    7,218.96x = 40,521,326.50
  5. Step 5: Solve for x
    x = 40,521,326.50/7,218.96
  6. Step 6: Final answer
    x = 5,613.18

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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.