Home / 5,148.12-7,100.65-3,260.01

Finding the Fourth Proportional to 5,148.12, 7,100.65 and 3,260.01

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Solution

The fourth proportional to 5,148.12, 7,100.65 and 3,260.01 is: 4,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.12 : 7,100.65 = 3,260.01 : x
  2. Step 2: Convert to fraction form
    5,148.12/7,100.65 = 3,260.01/x
  3. Step 3: Cross multiply
    5,148.12x = 7,100.65 × 3,260.01
  4. Step 4: Simplify right side
    5,148.12x = 23,148,190.01
  5. Step 5: Solve for x
    x = 23,148,190.01/5,148.12
  6. Step 6: Final answer
    x = 4,496.44

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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.