Home / 7,014.43-9,679.91-3,870.62

Finding the Fourth Proportional to 7,014.43, 9,679.91 and 3,870.62

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Solution

The fourth proportional to 7,014.43, 9,679.91 and 3,870.62 is: 5,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.43 : 9,679.91 = 3,870.62 : x
  2. Step 2: Convert to fraction form
    7,014.43/9,679.91 = 3,870.62/x
  3. Step 3: Cross multiply
    7,014.43x = 9,679.91 × 3,870.62
  4. Step 4: Simplify right side
    7,014.43x = 37,467,253.24
  5. Step 5: Solve for x
    x = 37,467,253.24/7,014.43
  6. Step 6: Final answer
    x = 5,341.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.