Home / 7,340.36-11,012.81-2,146.23

Finding the Fourth Proportional to 7,340.36, 11,012.81 and 2,146.23

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Solution

The fourth proportional to 7,340.36, 11,012.81 and 2,146.23 is: 3,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.36 : 11,012.81 = 2,146.23 : x
  2. Step 2: Convert to fraction form
    7,340.36/11,012.81 = 2,146.23/x
  3. Step 3: Cross multiply
    7,340.36x = 11,012.81 × 2,146.23
  4. Step 4: Simplify right side
    7,340.36x = 23,636,012.48
  5. Step 5: Solve for x
    x = 23,636,012.48/7,340.36
  6. Step 6: Final answer
    x = 3,220.01

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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.