Home / 4,316.40-6,443.28-3,996

Finding the Fourth Proportional to 4,316.40, 6,443.28 and 3,996

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Solution

The fourth proportional to 4,316.40, 6,443.28 and 3,996 is: 5,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.40 : 6,443.28 = 3,996 : x
  2. Step 2: Convert to fraction form
    4,316.40/6,443.28 = 3,996/x
  3. Step 3: Cross multiply
    4,316.40x = 6,443.28 × 3,996
  4. Step 4: Simplify right side
    4,316.40x = 25,747,346.88
  5. Step 5: Solve for x
    x = 25,747,346.88/4,316.40
  6. Step 6: Final answer
    x = 5,965.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.