Home / 9,885.51-14,827.15-2,489.97

Finding the Fourth Proportional to 9,885.51, 14,827.15 and 2,489.97

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Solution

The fourth proportional to 9,885.51, 14,827.15 and 2,489.97 is: 3,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.51 : 14,827.15 = 2,489.97 : x
  2. Step 2: Convert to fraction form
    9,885.51/14,827.15 = 2,489.97/x
  3. Step 3: Cross multiply
    9,885.51x = 14,827.15 × 2,489.97
  4. Step 4: Simplify right side
    9,885.51x = 36,919,158.69
  5. Step 5: Solve for x
    x = 36,919,158.69/9,885.51
  6. Step 6: Final answer
    x = 3,734.67

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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.