Home / 4,687.39-7,031.13-1,224.64

Finding the Fourth Proportional to 4,687.39, 7,031.13 and 1,224.64

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Solution

The fourth proportional to 4,687.39, 7,031.13 and 1,224.64 is: 1,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.39 : 7,031.13 = 1,224.64 : x
  2. Step 2: Convert to fraction form
    4,687.39/7,031.13 = 1,224.64/x
  3. Step 3: Cross multiply
    4,687.39x = 7,031.13 × 1,224.64
  4. Step 4: Simplify right side
    4,687.39x = 8,610,603.04
  5. Step 5: Solve for x
    x = 8,610,603.04/4,687.39
  6. Step 6: Final answer
    x = 1,836.97

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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.