Home / 4,072.80-6,109.88-1,476.40

Finding the Fourth Proportional to 4,072.80, 6,109.88 and 1,476.40

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Solution

The fourth proportional to 4,072.80, 6,109.88 and 1,476.40 is: 2,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.80 : 6,109.88 = 1,476.40 : x
  2. Step 2: Convert to fraction form
    4,072.80/6,109.88 = 1,476.40/x
  3. Step 3: Cross multiply
    4,072.80x = 6,109.88 × 1,476.40
  4. Step 4: Simplify right side
    4,072.80x = 9,020,626.83
  5. Step 5: Solve for x
    x = 9,020,626.83/4,072.80
  6. Step 6: Final answer
    x = 2,214.85

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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.