Home / 4,398.88-6,598.96-1,321.12

Finding the Fourth Proportional to 4,398.88, 6,598.96 and 1,321.12

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Solution

The fourth proportional to 4,398.88, 6,598.96 and 1,321.12 is: 1,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398.88 : 6,598.96 = 1,321.12 : x
  2. Step 2: Convert to fraction form
    4,398.88/6,598.96 = 1,321.12/x
  3. Step 3: Cross multiply
    4,398.88x = 6,598.96 × 1,321.12
  4. Step 4: Simplify right side
    4,398.88x = 8,718,018.04
  5. Step 5: Solve for x
    x = 8,718,018.04/4,398.88
  6. Step 6: Final answer
    x = 1,981.87

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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.