Home / 5,603.12-8,398.53-2,314.43

Finding the Fourth Proportional to 5,603.12, 8,398.53 and 2,314.43

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Solution

The fourth proportional to 5,603.12, 8,398.53 and 2,314.43 is: 3,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.12 : 8,398.53 = 2,314.43 : x
  2. Step 2: Convert to fraction form
    5,603.12/8,398.53 = 2,314.43/x
  3. Step 3: Cross multiply
    5,603.12x = 8,398.53 × 2,314.43
  4. Step 4: Simplify right side
    5,603.12x = 19,437,809.79
  5. Step 5: Solve for x
    x = 19,437,809.79/5,603.12
  6. Step 6: Final answer
    x = 3,469.10

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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.