Home / 7,218.47-10,808.06-3,748.43

Finding the Fourth Proportional to 7,218.47, 10,808.06 and 3,748.43

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Solution

The fourth proportional to 7,218.47, 10,808.06 and 3,748.43 is: 5,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.47 : 10,808.06 = 3,748.43 : x
  2. Step 2: Convert to fraction form
    7,218.47/10,808.06 = 3,748.43/x
  3. Step 3: Cross multiply
    7,218.47x = 10,808.06 × 3,748.43
  4. Step 4: Simplify right side
    7,218.47x = 40,513,183.56
  5. Step 5: Solve for x
    x = 40,513,183.56/7,218.47
  6. Step 6: Final answer
    x = 5,612.44

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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.