Home / 6,110.78-9,121.95-5,654.25

Finding the Fourth Proportional to 6,110.78, 9,121.95 and 5,654.25

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Solution

The fourth proportional to 6,110.78, 9,121.95 and 5,654.25 is: 8,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.78 : 9,121.95 = 5,654.25 : x
  2. Step 2: Convert to fraction form
    6,110.78/9,121.95 = 5,654.25/x
  3. Step 3: Cross multiply
    6,110.78x = 9,121.95 × 5,654.25
  4. Step 4: Simplify right side
    6,110.78x = 51,577,785.79
  5. Step 5: Solve for x
    x = 51,577,785.79/6,110.78
  6. Step 6: Final answer
    x = 8,440.47

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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.