Home / 7,326.45-10,110.49-3,969.35

Finding the Fourth Proportional to 7,326.45, 10,110.49 and 3,969.35

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Solution

The fourth proportional to 7,326.45, 10,110.49 and 3,969.35 is: 5,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.45 : 10,110.49 = 3,969.35 : x
  2. Step 2: Convert to fraction form
    7,326.45/10,110.49 = 3,969.35/x
  3. Step 3: Cross multiply
    7,326.45x = 10,110.49 × 3,969.35
  4. Step 4: Simplify right side
    7,326.45x = 40,132,050.92
  5. Step 5: Solve for x
    x = 40,132,050.92/7,326.45
  6. Step 6: Final answer
    x = 5,477.69

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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.