Home / 4,919.16-7,380-4,043.10

Finding the Fourth Proportional to 4,919.16, 7,380 and 4,043.10

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Solution

The fourth proportional to 4,919.16, 7,380 and 4,043.10 is: 6,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.16 : 7,380 = 4,043.10 : x
  2. Step 2: Convert to fraction form
    4,919.16/7,380 = 4,043.10/x
  3. Step 3: Cross multiply
    4,919.16x = 7,380 × 4,043.10
  4. Step 4: Simplify right side
    4,919.16x = 29,838,078
  5. Step 5: Solve for x
    x = 29,838,078/4,919.16
  6. Step 6: Final answer
    x = 6,065.69

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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.