Home / 5,216.72-7,827.52-2,440

Finding the Fourth Proportional to 5,216.72, 7,827.52 and 2,440

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Solution

The fourth proportional to 5,216.72, 7,827.52 and 2,440 is: 3,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.72 : 7,827.52 = 2,440 : x
  2. Step 2: Convert to fraction form
    5,216.72/7,827.52 = 2,440/x
  3. Step 3: Cross multiply
    5,216.72x = 7,827.52 × 2,440
  4. Step 4: Simplify right side
    5,216.72x = 19,099,148.80
  5. Step 5: Solve for x
    x = 19,099,148.80/5,216.72
  6. Step 6: Final answer
    x = 3,661.14

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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.