Home / 4,084.72-6,127.85-2,911.82

Finding the Fourth Proportional to 4,084.72, 6,127.85 and 2,911.82

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Solution

The fourth proportional to 4,084.72, 6,127.85 and 2,911.82 is: 4,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.72 : 6,127.85 = 2,911.82 : x
  2. Step 2: Convert to fraction form
    4,084.72/6,127.85 = 2,911.82/x
  3. Step 3: Cross multiply
    4,084.72x = 6,127.85 × 2,911.82
  4. Step 4: Simplify right side
    4,084.72x = 17,843,172.83
  5. Step 5: Solve for x
    x = 17,843,172.83/4,084.72
  6. Step 6: Final answer
    x = 4,368.28

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1.5x scale

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.