Home / 4,952.16-7,431.12-1,874.40

Finding the Fourth Proportional to 4,952.16, 7,431.12 and 1,874.40

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Solution

The fourth proportional to 4,952.16, 7,431.12 and 1,874.40 is: 2,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.16 : 7,431.12 = 1,874.40 : x
  2. Step 2: Convert to fraction form
    4,952.16/7,431.12 = 1,874.40/x
  3. Step 3: Cross multiply
    4,952.16x = 7,431.12 × 1,874.40
  4. Step 4: Simplify right side
    4,952.16x = 13,928,891.33
  5. Step 5: Solve for x
    x = 13,928,891.33/4,952.16
  6. Step 6: Final answer
    x = 2,812.69

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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.