Home / 6,964.39-9,610.54-3,820.51

Finding the Fourth Proportional to 6,964.39, 9,610.54 and 3,820.51

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Solution

The fourth proportional to 6,964.39, 9,610.54 and 3,820.51 is: 5,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.39 : 9,610.54 = 3,820.51 : x
  2. Step 2: Convert to fraction form
    6,964.39/9,610.54 = 3,820.51/x
  3. Step 3: Cross multiply
    6,964.39x = 9,610.54 × 3,820.51
  4. Step 4: Simplify right side
    6,964.39x = 36,717,164.18
  5. Step 5: Solve for x
    x = 36,717,164.18/6,964.39
  6. Step 6: Final answer
    x = 5,272.13

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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.