Home / 9,428.78-14,148.80-3,504.66

Finding the Fourth Proportional to 9,428.78, 14,148.80 and 3,504.66

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Solution

The fourth proportional to 9,428.78, 14,148.80 and 3,504.66 is: 5,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.78 : 14,148.80 = 3,504.66 : x
  2. Step 2: Convert to fraction form
    9,428.78/14,148.80 = 3,504.66/x
  3. Step 3: Cross multiply
    9,428.78x = 14,148.80 × 3,504.66
  4. Step 4: Simplify right side
    9,428.78x = 49,586,715.88
  5. Step 5: Solve for x
    x = 49,586,715.88/9,428.78
  6. Step 6: Final answer
    x = 5,259.08

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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.