Home / 4,319.28-6,478.84-1,241.28

Finding the Fourth Proportional to 4,319.28, 6,478.84 and 1,241.28

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Solution

The fourth proportional to 4,319.28, 6,478.84 and 1,241.28 is: 1,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.28 : 6,478.84 = 1,241.28 : x
  2. Step 2: Convert to fraction form
    4,319.28/6,478.84 = 1,241.28/x
  3. Step 3: Cross multiply
    4,319.28x = 6,478.84 × 1,241.28
  4. Step 4: Simplify right side
    4,319.28x = 8,042,054.52
  5. Step 5: Solve for x
    x = 8,042,054.52/4,319.28
  6. Step 6: Final answer
    x = 1,861.90

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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.