Home / 4,319.48-6,478.68-1,199.72

Finding the Fourth Proportional to 4,319.48, 6,478.68 and 1,199.72

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Solution

The fourth proportional to 4,319.48, 6,478.68 and 1,199.72 is: 1,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.48 : 6,478.68 = 1,199.72 : x
  2. Step 2: Convert to fraction form
    4,319.48/6,478.68 = 1,199.72/x
  3. Step 3: Cross multiply
    4,319.48x = 6,478.68 × 1,199.72
  4. Step 4: Simplify right side
    4,319.48x = 7,772,601.97
  5. Step 5: Solve for x
    x = 7,772,601.97/4,319.48
  6. Step 6: Final answer
    x = 1,799.43

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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.