Home / 9,827.12-14,728.84-3,898.53

Finding the Fourth Proportional to 9,827.12, 14,728.84 and 3,898.53

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Solution

The fourth proportional to 9,827.12, 14,728.84 and 3,898.53 is: 5,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,827.12 : 14,728.84 = 3,898.53 : x
  2. Step 2: Convert to fraction form
    9,827.12/14,728.84 = 3,898.53/x
  3. Step 3: Cross multiply
    9,827.12x = 14,728.84 × 3,898.53
  4. Step 4: Simplify right side
    9,827.12x = 57,420,814.86
  5. Step 5: Solve for x
    x = 57,420,814.86/9,827.12
  6. Step 6: Final answer
    x = 5,843.10

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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.