Home / 6,408.05-9,555.53-6,179.63

Finding the Fourth Proportional to 6,408.05, 9,555.53 and 6,179.63

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Solution

The fourth proportional to 6,408.05, 9,555.53 and 6,179.63 is: 9,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.05 : 9,555.53 = 6,179.63 : x
  2. Step 2: Convert to fraction form
    6,408.05/9,555.53 = 6,179.63/x
  3. Step 3: Cross multiply
    6,408.05x = 9,555.53 × 6,179.63
  4. Step 4: Simplify right side
    6,408.05x = 59,049,639.85
  5. Step 5: Solve for x
    x = 59,049,639.85/6,408.05
  6. Step 6: Final answer
    x = 9,214.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.