Home / 4,471.90-6,172.10-2,855.77

Finding the Fourth Proportional to 4,471.90, 6,172.10 and 2,855.77

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Solution

The fourth proportional to 4,471.90, 6,172.10 and 2,855.77 is: 3,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.90 : 6,172.10 = 2,855.77 : x
  2. Step 2: Convert to fraction form
    4,471.90/6,172.10 = 2,855.77/x
  3. Step 3: Cross multiply
    4,471.90x = 6,172.10 × 2,855.77
  4. Step 4: Simplify right side
    4,471.90x = 17,626,083.74
  5. Step 5: Solve for x
    x = 17,626,083.74/4,471.90
  6. Step 6: Final answer
    x = 3,941.52

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1.5x scale

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.