Home / 7,090.54-10,632.03-2,705.47

Finding the Fourth Proportional to 7,090.54, 10,632.03 and 2,705.47

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Solution

The fourth proportional to 7,090.54, 10,632.03 and 2,705.47 is: 4,056.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.54 : 10,632.03 = 2,705.47 : x
  2. Step 2: Convert to fraction form
    7,090.54/10,632.03 = 2,705.47/x
  3. Step 3: Cross multiply
    7,090.54x = 10,632.03 × 2,705.47
  4. Step 4: Simplify right side
    7,090.54x = 28,764,638.20
  5. Step 5: Solve for x
    x = 28,764,638.20/7,090.54
  6. Step 6: Final answer
    x = 4,056.76

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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.