Home / 4,923.60-7,384.05-2,002.20

Finding the Fourth Proportional to 4,923.60, 7,384.05 and 2,002.20

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Solution

The fourth proportional to 4,923.60, 7,384.05 and 2,002.20 is: 3,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.60 : 7,384.05 = 2,002.20 : x
  2. Step 2: Convert to fraction form
    4,923.60/7,384.05 = 2,002.20/x
  3. Step 3: Cross multiply
    4,923.60x = 7,384.05 × 2,002.20
  4. Step 4: Simplify right side
    4,923.60x = 14,784,344.91
  5. Step 5: Solve for x
    x = 14,784,344.91/4,923.60
  6. Step 6: Final answer
    x = 3,002.75

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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.