Home / 5,017.80-7,529.58-3,919.08

Finding the Fourth Proportional to 5,017.80, 7,529.58 and 3,919.08

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Solution

The fourth proportional to 5,017.80, 7,529.58 and 3,919.08 is: 5,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.80 : 7,529.58 = 3,919.08 : x
  2. Step 2: Convert to fraction form
    5,017.80/7,529.58 = 3,919.08/x
  3. Step 3: Cross multiply
    5,017.80x = 7,529.58 × 3,919.08
  4. Step 4: Simplify right side
    5,017.80x = 29,509,026.39
  5. Step 5: Solve for x
    x = 29,509,026.39/5,017.80
  6. Step 6: Final answer
    x = 5,880.87

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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.