Home / 9,387.96-14,081.94-3,840

Finding the Fourth Proportional to 9,387.96, 14,081.94 and 3,840

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Solution

The fourth proportional to 9,387.96, 14,081.94 and 3,840 is: 5,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.96 : 14,081.94 = 3,840 : x
  2. Step 2: Convert to fraction form
    9,387.96/14,081.94 = 3,840/x
  3. Step 3: Cross multiply
    9,387.96x = 14,081.94 × 3,840
  4. Step 4: Simplify right side
    9,387.96x = 54,074,649.60
  5. Step 5: Solve for x
    x = 54,074,649.60/9,387.96
  6. Step 6: Final answer
    x = 5,760.00

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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.