Home / 7,090.28-10,637.14-2,160.01

Finding the Fourth Proportional to 7,090.28, 10,637.14 and 2,160.01

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Solution

The fourth proportional to 7,090.28, 10,637.14 and 2,160.01 is: 3,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.28 : 10,637.14 = 2,160.01 : x
  2. Step 2: Convert to fraction form
    7,090.28/10,637.14 = 2,160.01/x
  3. Step 3: Cross multiply
    7,090.28x = 10,637.14 × 2,160.01
  4. Step 4: Simplify right side
    7,090.28x = 22,976,296.78
  5. Step 5: Solve for x
    x = 22,976,296.78/7,090.28
  6. Step 6: Final answer
    x = 3,240.54

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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.