Home / 8,445.29-12,669.75-2,522.65

Finding the Fourth Proportional to 8,445.29, 12,669.75 and 2,522.65

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Solution

The fourth proportional to 8,445.29, 12,669.75 and 2,522.65 is: 3,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.29 : 12,669.75 = 2,522.65 : x
  2. Step 2: Convert to fraction form
    8,445.29/12,669.75 = 2,522.65/x
  3. Step 3: Cross multiply
    8,445.29x = 12,669.75 × 2,522.65
  4. Step 4: Simplify right side
    8,445.29x = 31,961,268.88
  5. Step 5: Solve for x
    x = 31,961,268.88/8,445.29
  6. Step 6: Final answer
    x = 3,784.51

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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.