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Finding the Fourth Proportional to 7,197.78, 10,746.18 and 6,090.92

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Solution

The fourth proportional to 7,197.78, 10,746.18 and 6,090.92 is: 9,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.78 : 10,746.18 = 6,090.92 : x
  2. Step 2: Convert to fraction form
    7,197.78/10,746.18 = 6,090.92/x
  3. Step 3: Cross multiply
    7,197.78x = 10,746.18 × 6,090.92
  4. Step 4: Simplify right side
    7,197.78x = 65,454,122.69
  5. Step 5: Solve for x
    x = 65,454,122.69/7,197.78
  6. Step 6: Final answer
    x = 9,093.65

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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.