Home / 6,987.62-10,471.13-5,224.35

Finding the Fourth Proportional to 6,987.62, 10,471.13 and 5,224.35

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Solution

The fourth proportional to 6,987.62, 10,471.13 and 5,224.35 is: 7,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.62 : 10,471.13 = 5,224.35 : x
  2. Step 2: Convert to fraction form
    6,987.62/10,471.13 = 5,224.35/x
  3. Step 3: Cross multiply
    6,987.62x = 10,471.13 × 5,224.35
  4. Step 4: Simplify right side
    6,987.62x = 54,704,848.02
  5. Step 5: Solve for x
    x = 54,704,848.02/6,987.62
  6. Step 6: Final answer
    x = 7,828.82

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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.