Home / 7,340.36-10,127.94-4,195.76

Finding the Fourth Proportional to 7,340.36, 10,127.94 and 4,195.76

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Solution

The fourth proportional to 7,340.36, 10,127.94 and 4,195.76 is: 5,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.36 : 10,127.94 = 4,195.76 : x
  2. Step 2: Convert to fraction form
    7,340.36/10,127.94 = 4,195.76/x
  3. Step 3: Cross multiply
    7,340.36x = 10,127.94 × 4,195.76
  4. Step 4: Simplify right side
    7,340.36x = 42,494,405.53
  5. Step 5: Solve for x
    x = 42,494,405.53/7,340.36
  6. Step 6: Final answer
    x = 5,789.14

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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.