Home / 9,827.85-14,733.48-3,988.56

Finding the Fourth Proportional to 9,827.85, 14,733.48 and 3,988.56

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Solution

The fourth proportional to 9,827.85, 14,733.48 and 3,988.56 is: 5,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.85 : 14,733.48 = 3,988.56 : x
  2. Step 2: Convert to fraction form
    9,827.85/14,733.48 = 3,988.56/x
  3. Step 3: Cross multiply
    9,827.85x = 14,733.48 × 3,988.56
  4. Step 4: Simplify right side
    9,827.85x = 58,765,368.99
  5. Step 5: Solve for x
    x = 58,765,368.99/9,827.85
  6. Step 6: Final answer
    x = 5,979.47

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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.