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Finding the Fourth Proportional to 5,340.78, 8,015.04 and 5,018.04

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Solution

The fourth proportional to 5,340.78, 8,015.04 and 5,018.04 is: 7,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.78 : 8,015.04 = 5,018.04 : x
  2. Step 2: Convert to fraction form
    5,340.78/8,015.04 = 5,018.04/x
  3. Step 3: Cross multiply
    5,340.78x = 8,015.04 × 5,018.04
  4. Step 4: Simplify right side
    5,340.78x = 40,219,791.32
  5. Step 5: Solve for x
    x = 40,219,791.32/5,340.78
  6. Step 6: Final answer
    x = 7,530.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.