Home / 7,090.04-10,635.51-2,160.02

Finding the Fourth Proportional to 7,090.04, 10,635.51 and 2,160.02

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Solution

The fourth proportional to 7,090.04, 10,635.51 and 2,160.02 is: 3,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.04 : 10,635.51 = 2,160.02 : x
  2. Step 2: Convert to fraction form
    7,090.04/10,635.51 = 2,160.02/x
  3. Step 3: Cross multiply
    7,090.04x = 10,635.51 × 2,160.02
  4. Step 4: Simplify right side
    7,090.04x = 22,972,914.31
  5. Step 5: Solve for x
    x = 22,972,914.31/7,090.04
  6. Step 6: Final answer
    x = 3,240.17

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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.