Home / 4,777.28-7,162.20-2,002.16

Finding the Fourth Proportional to 4,777.28, 7,162.20 and 2,002.16

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Solution

The fourth proportional to 4,777.28, 7,162.20 and 2,002.16 is: 3,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.28 : 7,162.20 = 2,002.16 : x
  2. Step 2: Convert to fraction form
    4,777.28/7,162.20 = 2,002.16/x
  3. Step 3: Cross multiply
    4,777.28x = 7,162.20 × 2,002.16
  4. Step 4: Simplify right side
    4,777.28x = 14,339,870.35
  5. Step 5: Solve for x
    x = 14,339,870.35/4,777.28
  6. Step 6: Final answer
    x = 3,001.68

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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.