Home / 4,699.22-6,470.13-3,989.66

Finding the Fourth Proportional to 4,699.22, 6,470.13 and 3,989.66

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Solution

The fourth proportional to 4,699.22, 6,470.13 and 3,989.66 is: 5,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.22 : 6,470.13 = 3,989.66 : x
  2. Step 2: Convert to fraction form
    4,699.22/6,470.13 = 3,989.66/x
  3. Step 3: Cross multiply
    4,699.22x = 6,470.13 × 3,989.66
  4. Step 4: Simplify right side
    4,699.22x = 25,813,635.03
  5. Step 5: Solve for x
    x = 25,813,635.03/4,699.22
  6. Step 6: Final answer
    x = 5,493.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.