Home / 8,835.18-13,257.42-3,908.22

Finding the Fourth Proportional to 8,835.18, 13,257.42 and 3,908.22

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Solution

The fourth proportional to 8,835.18, 13,257.42 and 3,908.22 is: 5,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.18 : 13,257.42 = 3,908.22 : x
  2. Step 2: Convert to fraction form
    8,835.18/13,257.42 = 3,908.22/x
  3. Step 3: Cross multiply
    8,835.18x = 13,257.42 × 3,908.22
  4. Step 4: Simplify right side
    8,835.18x = 51,812,913.99
  5. Step 5: Solve for x
    x = 51,812,913.99/8,835.18
  6. Step 6: Final answer
    x = 5,864.39

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1.5x scale

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.