Home / 4,871.74-6,722.85-2,776.54

Finding the Fourth Proportional to 4,871.74, 6,722.85 and 2,776.54

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Solution

The fourth proportional to 4,871.74, 6,722.85 and 2,776.54 is: 3,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.74 : 6,722.85 = 2,776.54 : x
  2. Step 2: Convert to fraction form
    4,871.74/6,722.85 = 2,776.54/x
  3. Step 3: Cross multiply
    4,871.74x = 6,722.85 × 2,776.54
  4. Step 4: Simplify right side
    4,871.74x = 18,666,261.94
  5. Step 5: Solve for x
    x = 18,666,261.94/4,871.74
  6. Step 6: Final answer
    x = 3,831.54

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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.