Home / 4,288.20-6,432.48-1,366.20

Finding the Fourth Proportional to 4,288.20, 6,432.48 and 1,366.20

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Solution

The fourth proportional to 4,288.20, 6,432.48 and 1,366.20 is: 2,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.20 : 6,432.48 = 1,366.20 : x
  2. Step 2: Convert to fraction form
    4,288.20/6,432.48 = 1,366.20/x
  3. Step 3: Cross multiply
    4,288.20x = 6,432.48 × 1,366.20
  4. Step 4: Simplify right side
    4,288.20x = 8,788,054.18
  5. Step 5: Solve for x
    x = 8,788,054.18/4,288.20
  6. Step 6: Final answer
    x = 2,049.36

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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.