Home / 7,210.19-10,806.79-3,256.82

Finding the Fourth Proportional to 7,210.19, 10,806.79 and 3,256.82

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Solution

The fourth proportional to 7,210.19, 10,806.79 and 3,256.82 is: 4,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.19 : 10,806.79 = 3,256.82 : x
  2. Step 2: Convert to fraction form
    7,210.19/10,806.79 = 3,256.82/x
  3. Step 3: Cross multiply
    7,210.19x = 10,806.79 × 3,256.82
  4. Step 4: Simplify right side
    7,210.19x = 35,195,769.81
  5. Step 5: Solve for x
    x = 35,195,769.81/7,210.19
  6. Step 6: Final answer
    x = 4,881.39

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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.