Home / 5,247.12-7,864.04-2,467.74

Finding the Fourth Proportional to 5,247.12, 7,864.04 and 2,467.74

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Solution

The fourth proportional to 5,247.12, 7,864.04 and 2,467.74 is: 3,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.12 : 7,864.04 = 2,467.74 : x
  2. Step 2: Convert to fraction form
    5,247.12/7,864.04 = 2,467.74/x
  3. Step 3: Cross multiply
    5,247.12x = 7,864.04 × 2,467.74
  4. Step 4: Simplify right side
    5,247.12x = 19,406,406.07
  5. Step 5: Solve for x
    x = 19,406,406.07/5,247.12
  6. Step 6: Final answer
    x = 3,698.49

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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.