Home / 5,320.20-7,980.30-2,033.40

Finding the Fourth Proportional to 5,320.20, 7,980.30 and 2,033.40

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Solution

The fourth proportional to 5,320.20, 7,980.30 and 2,033.40 is: 3,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.20 : 7,980.30 = 2,033.40 : x
  2. Step 2: Convert to fraction form
    5,320.20/7,980.30 = 2,033.40/x
  3. Step 3: Cross multiply
    5,320.20x = 7,980.30 × 2,033.40
  4. Step 4: Simplify right side
    5,320.20x = 16,227,142.02
  5. Step 5: Solve for x
    x = 16,227,142.02/5,320.20
  6. Step 6: Final answer
    x = 3,050.10

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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.