Home / 4,148.20-6,220.14-1,550.80

Finding the Fourth Proportional to 4,148.20, 6,220.14 and 1,550.80

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Solution

The fourth proportional to 4,148.20, 6,220.14 and 1,550.80 is: 2,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.20 : 6,220.14 = 1,550.80 : x
  2. Step 2: Convert to fraction form
    4,148.20/6,220.14 = 1,550.80/x
  3. Step 3: Cross multiply
    4,148.20x = 6,220.14 × 1,550.80
  4. Step 4: Simplify right side
    4,148.20x = 9,646,193.11
  5. Step 5: Solve for x
    x = 9,646,193.11/4,148.20
  6. Step 6: Final answer
    x = 2,325.39

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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.