Home / 4,319.99-6,481.01-1,398.29

Finding the Fourth Proportional to 4,319.99, 6,481.01 and 1,398.29

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Solution

The fourth proportional to 4,319.99, 6,481.01 and 1,398.29 is: 2,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.99 : 6,481.01 = 1,398.29 : x
  2. Step 2: Convert to fraction form
    4,319.99/6,481.01 = 1,398.29/x
  3. Step 3: Cross multiply
    4,319.99x = 6,481.01 × 1,398.29
  4. Step 4: Simplify right side
    4,319.99x = 9,062,327.98
  5. Step 5: Solve for x
    x = 9,062,327.98/4,319.99
  6. Step 6: Final answer
    x = 2,097.77

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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.