Home / 4,225.20-6,337.80-3,405.10

Finding the Fourth Proportional to 4,225.20, 6,337.80 and 3,405.10

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Solution

The fourth proportional to 4,225.20, 6,337.80 and 3,405.10 is: 5,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,225.20 : 6,337.80 = 3,405.10 : x
  2. Step 2: Convert to fraction form
    4,225.20/6,337.80 = 3,405.10/x
  3. Step 3: Cross multiply
    4,225.20x = 6,337.80 × 3,405.10
  4. Step 4: Simplify right side
    4,225.20x = 21,580,842.78
  5. Step 5: Solve for x
    x = 21,580,842.78/4,225.20
  6. Step 6: Final answer
    x = 5,107.65

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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.