Home / 9,630.64-14,439.72-3,787.84

Finding the Fourth Proportional to 9,630.64, 14,439.72 and 3,787.84

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Solution

The fourth proportional to 9,630.64, 14,439.72 and 3,787.84 is: 5,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.64 : 14,439.72 = 3,787.84 : x
  2. Step 2: Convert to fraction form
    9,630.64/14,439.72 = 3,787.84/x
  3. Step 3: Cross multiply
    9,630.64x = 14,439.72 × 3,787.84
  4. Step 4: Simplify right side
    9,630.64x = 54,695,349.00
  5. Step 5: Solve for x
    x = 54,695,349.00/9,630.64
  6. Step 6: Final answer
    x = 5,679.31

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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.