Home / 7,003.39-9,664.68-3,859.58

Finding the Fourth Proportional to 7,003.39, 9,664.68 and 3,859.58

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Solution

The fourth proportional to 7,003.39, 9,664.68 and 3,859.58 is: 5,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.39 : 9,664.68 = 3,859.58 : x
  2. Step 2: Convert to fraction form
    7,003.39/9,664.68 = 3,859.58/x
  3. Step 3: Cross multiply
    7,003.39x = 9,664.68 × 3,859.58
  4. Step 4: Simplify right side
    7,003.39x = 37,301,605.63
  5. Step 5: Solve for x
    x = 37,301,605.63/7,003.39
  6. Step 6: Final answer
    x = 5,326.22

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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.