Home / 8,408.32-12,581.33-5,263.27

Finding the Fourth Proportional to 8,408.32, 12,581.33 and 5,263.27

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Solution

The fourth proportional to 8,408.32, 12,581.33 and 5,263.27 is: 7,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.32 : 12,581.33 = 5,263.27 : x
  2. Step 2: Convert to fraction form
    8,408.32/12,581.33 = 5,263.27/x
  3. Step 3: Cross multiply
    8,408.32x = 12,581.33 × 5,263.27
  4. Step 4: Simplify right side
    8,408.32x = 66,218,873.84
  5. Step 5: Solve for x
    x = 66,218,873.84/8,408.32
  6. Step 6: Final answer
    x = 7,875.40

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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.