Home / 8,398.40-12,603.30-3,468.02

Finding the Fourth Proportional to 8,398.40, 12,603.30 and 3,468.02

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Solution

The fourth proportional to 8,398.40, 12,603.30 and 3,468.02 is: 5,204.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.40 : 12,603.30 = 3,468.02 : x
  2. Step 2: Convert to fraction form
    8,398.40/12,603.30 = 3,468.02/x
  3. Step 3: Cross multiply
    8,398.40x = 12,603.30 × 3,468.02
  4. Step 4: Simplify right side
    8,398.40x = 43,708,496.47
  5. Step 5: Solve for x
    x = 43,708,496.47/8,398.40
  6. Step 6: Final answer
    x = 5,204.38

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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.