Home / 4,679.11-7,019.82-1,392.19

Finding the Fourth Proportional to 4,679.11, 7,019.82 and 1,392.19

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Solution

The fourth proportional to 4,679.11, 7,019.82 and 1,392.19 is: 2,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.11 : 7,019.82 = 1,392.19 : x
  2. Step 2: Convert to fraction form
    4,679.11/7,019.82 = 1,392.19/x
  3. Step 3: Cross multiply
    4,679.11x = 7,019.82 × 1,392.19
  4. Step 4: Simplify right side
    4,679.11x = 9,772,931.98
  5. Step 5: Solve for x
    x = 9,772,931.98/4,679.11
  6. Step 6: Final answer
    x = 2,088.63

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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.