Home / 4,321.48-6,482.26-1,399.79

Finding the Fourth Proportional to 4,321.48, 6,482.26 and 1,399.79

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Solution

The fourth proportional to 4,321.48, 6,482.26 and 1,399.79 is: 2,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.48 : 6,482.26 = 1,399.79 : x
  2. Step 2: Convert to fraction form
    4,321.48/6,482.26 = 1,399.79/x
  3. Step 3: Cross multiply
    4,321.48x = 6,482.26 × 1,399.79
  4. Step 4: Simplify right side
    4,321.48x = 9,073,802.73
  5. Step 5: Solve for x
    x = 9,073,802.73/4,321.48
  6. Step 6: Final answer
    x = 2,099.70

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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.