Home / 6,884.40-10,331.28-4,539.36

Finding the Fourth Proportional to 6,884.40, 10,331.28 and 4,539.36

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Solution

The fourth proportional to 6,884.40, 10,331.28 and 4,539.36 is: 6,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,884.40 : 10,331.28 = 4,539.36 : x
  2. Step 2: Convert to fraction form
    6,884.40/10,331.28 = 4,539.36/x
  3. Step 3: Cross multiply
    6,884.40x = 10,331.28 × 4,539.36
  4. Step 4: Simplify right side
    6,884.40x = 46,897,399.18
  5. Step 5: Solve for x
    x = 46,897,399.18/6,884.40
  6. Step 6: Final answer
    x = 6,812.13

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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.