Home / 9,908.05-14,862.30-3,985.54

Finding the Fourth Proportional to 9,908.05, 14,862.30 and 3,985.54

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Solution

The fourth proportional to 9,908.05, 14,862.30 and 3,985.54 is: 5,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.05 : 14,862.30 = 3,985.54 : x
  2. Step 2: Convert to fraction form
    9,908.05/14,862.30 = 3,985.54/x
  3. Step 3: Cross multiply
    9,908.05x = 14,862.30 × 3,985.54
  4. Step 4: Simplify right side
    9,908.05x = 59,234,291.14
  5. Step 5: Solve for x
    x = 59,234,291.14/9,908.05
  6. Step 6: Final answer
    x = 5,978.40

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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.