Home / 8,412.48-12,618.75-2,569.07

Finding the Fourth Proportional to 8,412.48, 12,618.75 and 2,569.07

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Solution

The fourth proportional to 8,412.48, 12,618.75 and 2,569.07 is: 3,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.48 : 12,618.75 = 2,569.07 : x
  2. Step 2: Convert to fraction form
    8,412.48/12,618.75 = 2,569.07/x
  3. Step 3: Cross multiply
    8,412.48x = 12,618.75 × 2,569.07
  4. Step 4: Simplify right side
    8,412.48x = 32,418,388.97
  5. Step 5: Solve for x
    x = 32,418,388.97/8,412.48
  6. Step 6: Final answer
    x = 3,853.61

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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.