Home / 8,446.19-12,669.28-2,290.19

Finding the Fourth Proportional to 8,446.19, 12,669.28 and 2,290.19

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Solution

The fourth proportional to 8,446.19, 12,669.28 and 2,290.19 is: 3,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.19 : 12,669.28 = 2,290.19 : x
  2. Step 2: Convert to fraction form
    8,446.19/12,669.28 = 2,290.19/x
  3. Step 3: Cross multiply
    8,446.19x = 12,669.28 × 2,290.19
  4. Step 4: Simplify right side
    8,446.19x = 29,015,058.36
  5. Step 5: Solve for x
    x = 29,015,058.36/8,446.19
  6. Step 6: Final answer
    x = 3,435.28

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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.