Home / 4,252.76-6,377.58-1,478.68

Finding the Fourth Proportional to 4,252.76, 6,377.58 and 1,478.68

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Solution

The fourth proportional to 4,252.76, 6,377.58 and 1,478.68 is: 2,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.76 : 6,377.58 = 1,478.68 : x
  2. Step 2: Convert to fraction form
    4,252.76/6,377.58 = 1,478.68/x
  3. Step 3: Cross multiply
    4,252.76x = 6,377.58 × 1,478.68
  4. Step 4: Simplify right side
    4,252.76x = 9,430,399.99
  5. Step 5: Solve for x
    x = 9,430,399.99/4,252.76
  6. Step 6: Final answer
    x = 2,217.48

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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.