Home / 6,852.72-9,456.80-3,708.91

Finding the Fourth Proportional to 6,852.72, 9,456.80 and 3,708.91

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Solution

The fourth proportional to 6,852.72, 9,456.80 and 3,708.91 is: 5,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852.72 : 9,456.80 = 3,708.91 : x
  2. Step 2: Convert to fraction form
    6,852.72/9,456.80 = 3,708.91/x
  3. Step 3: Cross multiply
    6,852.72x = 9,456.80 × 3,708.91
  4. Step 4: Simplify right side
    6,852.72x = 35,074,420.09
  5. Step 5: Solve for x
    x = 35,074,420.09/6,852.72
  6. Step 6: Final answer
    x = 5,118.32

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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.