Home / 4,871.85-6,722.29-2,775.97

Finding the Fourth Proportional to 4,871.85, 6,722.29 and 2,775.97

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Solution

The fourth proportional to 4,871.85, 6,722.29 and 2,775.97 is: 3,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.85 : 6,722.29 = 2,775.97 : x
  2. Step 2: Convert to fraction form
    4,871.85/6,722.29 = 2,775.97/x
  3. Step 3: Cross multiply
    4,871.85x = 6,722.29 × 2,775.97
  4. Step 4: Simplify right side
    4,871.85x = 18,660,887.24
  5. Step 5: Solve for x
    x = 18,660,887.24/4,871.85
  6. Step 6: Final answer
    x = 3,830.35

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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.