Home / 7,323.36-10,975.79-3,159.18

Finding the Fourth Proportional to 7,323.36, 10,975.79 and 3,159.18

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Solution

The fourth proportional to 7,323.36, 10,975.79 and 3,159.18 is: 4,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.36 : 10,975.79 = 3,159.18 : x
  2. Step 2: Convert to fraction form
    7,323.36/10,975.79 = 3,159.18/x
  3. Step 3: Cross multiply
    7,323.36x = 10,975.79 × 3,159.18
  4. Step 4: Simplify right side
    7,323.36x = 34,674,480.46
  5. Step 5: Solve for x
    x = 34,674,480.46/7,323.36
  6. Step 6: Final answer
    x = 4,734.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.