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Finding the Fourth Proportional to 9,762.39, 14,643.59 and 3,919

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Solution

The fourth proportional to 9,762.39, 14,643.59 and 3,919 is: 5,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.39 : 14,643.59 = 3,919 : x
  2. Step 2: Convert to fraction form
    9,762.39/14,643.59 = 3,919/x
  3. Step 3: Cross multiply
    9,762.39x = 14,643.59 × 3,919
  4. Step 4: Simplify right side
    9,762.39x = 57,388,209.62
  5. Step 5: Solve for x
    x = 57,388,209.62/9,762.39
  6. Step 6: Final answer
    x = 5,878.50

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Similar ratio
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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.