Home / 7,747.12-11,600.04-4,455.28

Finding the Fourth Proportional to 7,747.12, 11,600.04 and 4,455.28

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Solution

The fourth proportional to 7,747.12, 11,600.04 and 4,455.28 is: 6,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.12 : 11,600.04 = 4,455.28 : x
  2. Step 2: Convert to fraction form
    7,747.12/11,600.04 = 4,455.28/x
  3. Step 3: Cross multiply
    7,747.12x = 11,600.04 × 4,455.28
  4. Step 4: Simplify right side
    7,747.12x = 51,681,426.21
  5. Step 5: Solve for x
    x = 51,681,426.21/7,747.12
  6. Step 6: Final answer
    x = 6,671.05

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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.