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Finding the Fourth Proportional to 7,330.08, 10,115.52 and 4,018.08

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Solution

The fourth proportional to 7,330.08, 10,115.52 and 4,018.08 is: 5,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.08 : 10,115.52 = 4,018.08 : x
  2. Step 2: Convert to fraction form
    7,330.08/10,115.52 = 4,018.08/x
  3. Step 3: Cross multiply
    7,330.08x = 10,115.52 × 4,018.08
  4. Step 4: Simplify right side
    7,330.08x = 40,644,968.60
  5. Step 5: Solve for x
    x = 40,644,968.60/7,330.08
  6. Step 6: Final answer
    x = 5,544.96

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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.