Home / 7,408.95-11,115.23-2,214.82

Finding the Fourth Proportional to 7,408.95, 11,115.23 and 2,214.82

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Solution

The fourth proportional to 7,408.95, 11,115.23 and 2,214.82 is: 3,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.95 : 11,115.23 = 2,214.82 : x
  2. Step 2: Convert to fraction form
    7,408.95/11,115.23 = 2,214.82/x
  3. Step 3: Cross multiply
    7,408.95x = 11,115.23 × 2,214.82
  4. Step 4: Simplify right side
    7,408.95x = 24,618,233.71
  5. Step 5: Solve for x
    x = 24,618,233.71/7,408.95
  6. Step 6: Final answer
    x = 3,322.77

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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.