Home / 5,333.24-8,000.78-2,001.21

Finding the Fourth Proportional to 5,333.24, 8,000.78 and 2,001.21

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Solution

The fourth proportional to 5,333.24, 8,000.78 and 2,001.21 is: 3,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.24 : 8,000.78 = 2,001.21 : x
  2. Step 2: Convert to fraction form
    5,333.24/8,000.78 = 2,001.21/x
  3. Step 3: Cross multiply
    5,333.24x = 8,000.78 × 2,001.21
  4. Step 4: Simplify right side
    5,333.24x = 16,011,200.93
  5. Step 5: Solve for x
    x = 16,011,200.93/5,333.24
  6. Step 6: Final answer
    x = 3,002.15

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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.