Home / 8,983.23-12,395.90-5,207.58

Finding the Fourth Proportional to 8,983.23, 12,395.90 and 5,207.58

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Solution

The fourth proportional to 8,983.23, 12,395.90 and 5,207.58 is: 7,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.23 : 12,395.90 = 5,207.58 : x
  2. Step 2: Convert to fraction form
    8,983.23/12,395.90 = 5,207.58/x
  3. Step 3: Cross multiply
    8,983.23x = 12,395.90 × 5,207.58
  4. Step 4: Simplify right side
    8,983.23x = 64,552,578.94
  5. Step 5: Solve for x
    x = 64,552,578.94/8,983.23
  6. Step 6: Final answer
    x = 7,185.90

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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.