Home / 7,326.36-10,110.36-3,969.18

Finding the Fourth Proportional to 7,326.36, 10,110.36 and 3,969.18

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Solution

The fourth proportional to 7,326.36, 10,110.36 and 3,969.18 is: 5,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.36 : 10,110.36 = 3,969.18 : x
  2. Step 2: Convert to fraction form
    7,326.36/10,110.36 = 3,969.18/x
  3. Step 3: Cross multiply
    7,326.36x = 10,110.36 × 3,969.18
  4. Step 4: Simplify right side
    7,326.36x = 40,129,838.70
  5. Step 5: Solve for x
    x = 40,129,838.70/7,326.36
  6. Step 6: Final answer
    x = 5,477.46

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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.