Home / 4,378.20-6,557.09-3,063.30

Finding the Fourth Proportional to 4,378.20, 6,557.09 and 3,063.30

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Solution

The fourth proportional to 4,378.20, 6,557.09 and 3,063.30 is: 4,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.20 : 6,557.09 = 3,063.30 : x
  2. Step 2: Convert to fraction form
    4,378.20/6,557.09 = 3,063.30/x
  3. Step 3: Cross multiply
    4,378.20x = 6,557.09 × 3,063.30
  4. Step 4: Simplify right side
    4,378.20x = 20,086,318.48
  5. Step 5: Solve for x
    x = 20,086,318.48/4,378.20
  6. Step 6: Final answer
    x = 4,587.80

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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.