Home / 5,605.89-8,407.32-2,318.21

Finding the Fourth Proportional to 5,605.89, 8,407.32 and 2,318.21

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Solution

The fourth proportional to 5,605.89, 8,407.32 and 2,318.21 is: 3,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.89 : 8,407.32 = 2,318.21 : x
  2. Step 2: Convert to fraction form
    5,605.89/8,407.32 = 2,318.21/x
  3. Step 3: Cross multiply
    5,605.89x = 8,407.32 × 2,318.21
  4. Step 4: Simplify right side
    5,605.89x = 19,489,891.26
  5. Step 5: Solve for x
    x = 19,489,891.26/5,605.89
  6. Step 6: Final answer
    x = 3,476.68

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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.