Home / 9,428.73-14,138.26-4,988.79

Finding the Fourth Proportional to 9,428.73, 14,138.26 and 4,988.79

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Solution

The fourth proportional to 9,428.73, 14,138.26 and 4,988.79 is: 7,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.73 : 14,138.26 = 4,988.79 : x
  2. Step 2: Convert to fraction form
    9,428.73/14,138.26 = 4,988.79/x
  3. Step 3: Cross multiply
    9,428.73x = 14,138.26 × 4,988.79
  4. Step 4: Simplify right side
    9,428.73x = 70,532,810.11
  5. Step 5: Solve for x
    x = 70,532,810.11/9,428.73
  6. Step 6: Final answer
    x = 7,480.63

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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.