Home / 5,513.13-8,272.44-4,787.82

Finding the Fourth Proportional to 5,513.13, 8,272.44 and 4,787.82

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Solution

The fourth proportional to 5,513.13, 8,272.44 and 4,787.82 is: 7,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.13 : 8,272.44 = 4,787.82 : x
  2. Step 2: Convert to fraction form
    5,513.13/8,272.44 = 4,787.82/x
  3. Step 3: Cross multiply
    5,513.13x = 8,272.44 × 4,787.82
  4. Step 4: Simplify right side
    5,513.13x = 39,606,953.68
  5. Step 5: Solve for x
    x = 39,606,953.68/5,513.13
  6. Step 6: Final answer
    x = 7,184.11

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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.