Home / 8,443.08-12,665.43-2,203.20

Finding the Fourth Proportional to 8,443.08, 12,665.43 and 2,203.20

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Solution

The fourth proportional to 8,443.08, 12,665.43 and 2,203.20 is: 3,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.08 : 12,665.43 = 2,203.20 : x
  2. Step 2: Convert to fraction form
    8,443.08/12,665.43 = 2,203.20/x
  3. Step 3: Cross multiply
    8,443.08x = 12,665.43 × 2,203.20
  4. Step 4: Simplify right side
    8,443.08x = 27,904,475.38
  5. Step 5: Solve for x
    x = 27,904,475.38/8,443.08
  6. Step 6: Final answer
    x = 3,305.01

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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.