Home / 7,130.03-10,696.05-2,198.75

Finding the Fourth Proportional to 7,130.03, 10,696.05 and 2,198.75

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Solution

The fourth proportional to 7,130.03, 10,696.05 and 2,198.75 is: 3,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.03 : 10,696.05 = 2,198.75 : x
  2. Step 2: Convert to fraction form
    7,130.03/10,696.05 = 2,198.75/x
  3. Step 3: Cross multiply
    7,130.03x = 10,696.05 × 2,198.75
  4. Step 4: Simplify right side
    7,130.03x = 23,517,886.46
  5. Step 5: Solve for x
    x = 23,517,886.46/7,130.03
  6. Step 6: Final answer
    x = 3,298.43

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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.