Home / 8,412.83-12,621.24-2,569.07

Finding the Fourth Proportional to 8,412.83, 12,621.24 and 2,569.07

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Solution

The fourth proportional to 8,412.83, 12,621.24 and 2,569.07 is: 3,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.83 : 12,621.24 = 2,569.07 : x
  2. Step 2: Convert to fraction form
    8,412.83/12,621.24 = 2,569.07/x
  3. Step 3: Cross multiply
    8,412.83x = 12,621.24 × 2,569.07
  4. Step 4: Simplify right side
    8,412.83x = 32,424,849.05
  5. Step 5: Solve for x
    x = 32,424,849.05/8,412.83
  6. Step 6: Final answer
    x = 3,854.21

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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.