Home / 8,948.84-13,423.28-3,105.45

Finding the Fourth Proportional to 8,948.84, 13,423.28 and 3,105.45

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Solution

The fourth proportional to 8,948.84, 13,423.28 and 3,105.45 is: 4,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.84 : 13,423.28 = 3,105.45 : x
  2. Step 2: Convert to fraction form
    8,948.84/13,423.28 = 3,105.45/x
  3. Step 3: Cross multiply
    8,948.84x = 13,423.28 × 3,105.45
  4. Step 4: Simplify right side
    8,948.84x = 41,685,309.35
  5. Step 5: Solve for x
    x = 41,685,309.35/8,948.84
  6. Step 6: Final answer
    x = 4,658.18

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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.