Home / 6,772.74-9,346.50-4,120.26

Finding the Fourth Proportional to 6,772.74, 9,346.50 and 4,120.26

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Solution

The fourth proportional to 6,772.74, 9,346.50 and 4,120.26 is: 5,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.74 : 9,346.50 = 4,120.26 : x
  2. Step 2: Convert to fraction form
    6,772.74/9,346.50 = 4,120.26/x
  3. Step 3: Cross multiply
    6,772.74x = 9,346.50 × 4,120.26
  4. Step 4: Simplify right side
    6,772.74x = 38,510,010.09
  5. Step 5: Solve for x
    x = 38,510,010.09/6,772.74
  6. Step 6: Final answer
    x = 5,686.03

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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.