Home / 6,722.77-9,277.85-3,738.59

Finding the Fourth Proportional to 6,722.77, 9,277.85 and 3,738.59

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Solution

The fourth proportional to 6,722.77, 9,277.85 and 3,738.59 is: 5,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.77 : 9,277.85 = 3,738.59 : x
  2. Step 2: Convert to fraction form
    6,722.77/9,277.85 = 3,738.59/x
  3. Step 3: Cross multiply
    6,722.77x = 9,277.85 × 3,738.59
  4. Step 4: Simplify right side
    6,722.77x = 34,686,077.23
  5. Step 5: Solve for x
    x = 34,686,077.23/6,722.77
  6. Step 6: Final answer
    x = 5,159.49

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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.