Home / 6,606.79-9,117.45-3,774.54

Finding the Fourth Proportional to 6,606.79, 9,117.45 and 3,774.54

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Solution

The fourth proportional to 6,606.79, 9,117.45 and 3,774.54 is: 5,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.79 : 9,117.45 = 3,774.54 : x
  2. Step 2: Convert to fraction form
    6,606.79/9,117.45 = 3,774.54/x
  3. Step 3: Cross multiply
    6,606.79x = 9,117.45 × 3,774.54
  4. Step 4: Simplify right side
    6,606.79x = 34,414,179.72
  5. Step 5: Solve for x
    x = 34,414,179.72/6,606.79
  6. Step 6: Final answer
    x = 5,208.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.