Home / 8,908.89-13,350.52-3,905.21

Finding the Fourth Proportional to 8,908.89, 13,350.52 and 3,905.21

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Solution

The fourth proportional to 8,908.89, 13,350.52 and 3,905.21 is: 5,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.89 : 13,350.52 = 3,905.21 : x
  2. Step 2: Convert to fraction form
    8,908.89/13,350.52 = 3,905.21/x
  3. Step 3: Cross multiply
    8,908.89x = 13,350.52 × 3,905.21
  4. Step 4: Simplify right side
    8,908.89x = 52,136,622.47
  5. Step 5: Solve for x
    x = 52,136,622.47/8,908.89
  6. Step 6: Final answer
    x = 5,852.20

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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.