Home / 8,253.08-12,379.41-2,409.74

Finding the Fourth Proportional to 8,253.08, 12,379.41 and 2,409.74

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Solution

The fourth proportional to 8,253.08, 12,379.41 and 2,409.74 is: 3,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.08 : 12,379.41 = 2,409.74 : x
  2. Step 2: Convert to fraction form
    8,253.08/12,379.41 = 2,409.74/x
  3. Step 3: Cross multiply
    8,253.08x = 12,379.41 × 2,409.74
  4. Step 4: Simplify right side
    8,253.08x = 29,831,159.45
  5. Step 5: Solve for x
    x = 29,831,159.45/8,253.08
  6. Step 6: Final answer
    x = 3,614.55

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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.