Home / 9,479.84-14,211.05-3,635.28

Finding the Fourth Proportional to 9,479.84, 14,211.05 and 3,635.28

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Solution

The fourth proportional to 9,479.84, 14,211.05 and 3,635.28 is: 5,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.84 : 14,211.05 = 3,635.28 : x
  2. Step 2: Convert to fraction form
    9,479.84/14,211.05 = 3,635.28/x
  3. Step 3: Cross multiply
    9,479.84x = 14,211.05 × 3,635.28
  4. Step 4: Simplify right side
    9,479.84x = 51,661,127.67
  5. Step 5: Solve for x
    x = 51,661,127.67/9,479.84
  6. Step 6: Final answer
    x = 5,449.58

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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.