Home / 8,905.32-13,358.67-2,982.23

Finding the Fourth Proportional to 8,905.32, 13,358.67 and 2,982.23

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Solution

The fourth proportional to 8,905.32, 13,358.67 and 2,982.23 is: 4,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.32 : 13,358.67 = 2,982.23 : x
  2. Step 2: Convert to fraction form
    8,905.32/13,358.67 = 2,982.23/x
  3. Step 3: Cross multiply
    8,905.32x = 13,358.67 × 2,982.23
  4. Step 4: Simplify right side
    8,905.32x = 39,838,637.62
  5. Step 5: Solve for x
    x = 39,838,637.62/8,905.32
  6. Step 6: Final answer
    x = 4,473.58

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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.