Home / 4,423.20-6,630.48-2,113.44

Finding the Fourth Proportional to 4,423.20, 6,630.48 and 2,113.44

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Solution

The fourth proportional to 4,423.20, 6,630.48 and 2,113.44 is: 3,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.20 : 6,630.48 = 2,113.44 : x
  2. Step 2: Convert to fraction form
    4,423.20/6,630.48 = 2,113.44/x
  3. Step 3: Cross multiply
    4,423.20x = 6,630.48 × 2,113.44
  4. Step 4: Simplify right side
    4,423.20x = 14,013,121.65
  5. Step 5: Solve for x
    x = 14,013,121.65/4,423.20
  6. Step 6: Final answer
    x = 3,168.10

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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.