Home / 5,623.20-8,439.96-2,851.80

Finding the Fourth Proportional to 5,623.20, 8,439.96 and 2,851.80

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Solution

The fourth proportional to 5,623.20, 8,439.96 and 2,851.80 is: 4,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.20 : 8,439.96 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    5,623.20/8,439.96 = 2,851.80/x
  3. Step 3: Cross multiply
    5,623.20x = 8,439.96 × 2,851.80
  4. Step 4: Simplify right side
    5,623.20x = 24,069,077.93
  5. Step 5: Solve for x
    x = 24,069,077.93/5,623.20
  6. Step 6: Final answer
    x = 4,280.32

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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.