Home / 8,208.24-12,312.36-3,588

Finding the Fourth Proportional to 8,208.24, 12,312.36 and 3,588

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Solution

The fourth proportional to 8,208.24, 12,312.36 and 3,588 is: 5,382

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.24 : 12,312.36 = 3,588 : x
  2. Step 2: Convert to fraction form
    8,208.24/12,312.36 = 3,588/x
  3. Step 3: Cross multiply
    8,208.24x = 12,312.36 × 3,588
  4. Step 4: Simplify right side
    8,208.24x = 44,176,747.68
  5. Step 5: Solve for x
    x = 44,176,747.68/8,208.24
  6. Step 6: Final answer
    x = 5,382

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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.