Home / 6,180.69-9,215.90-5,493.81

Finding the Fourth Proportional to 6,180.69, 9,215.90 and 5,493.81

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Solution

The fourth proportional to 6,180.69, 9,215.90 and 5,493.81 is: 8,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.69 : 9,215.90 = 5,493.81 : x
  2. Step 2: Convert to fraction form
    6,180.69/9,215.90 = 5,493.81/x
  3. Step 3: Cross multiply
    6,180.69x = 9,215.90 × 5,493.81
  4. Step 4: Simplify right side
    6,180.69x = 50,630,417.31
  5. Step 5: Solve for x
    x = 50,630,417.31/6,180.69
  6. Step 6: Final answer
    x = 8,191.71

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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.