Home / 8,982.19-12,395.44-5,206.09

Finding the Fourth Proportional to 8,982.19, 12,395.44 and 5,206.09

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Solution

The fourth proportional to 8,982.19, 12,395.44 and 5,206.09 is: 7,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.19 : 12,395.44 = 5,206.09 : x
  2. Step 2: Convert to fraction form
    8,982.19/12,395.44 = 5,206.09/x
  3. Step 3: Cross multiply
    8,982.19x = 12,395.44 × 5,206.09
  4. Step 4: Simplify right side
    8,982.19x = 64,531,776.23
  5. Step 5: Solve for x
    x = 64,531,776.23/8,982.19
  6. Step 6: Final answer
    x = 7,184.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.