Home / 5,148.31-7,104.36-3,023.68

Finding the Fourth Proportional to 5,148.31, 7,104.36 and 3,023.68

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Solution

The fourth proportional to 5,148.31, 7,104.36 and 3,023.68 is: 4,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.31 : 7,104.36 = 3,023.68 : x
  2. Step 2: Convert to fraction form
    5,148.31/7,104.36 = 3,023.68/x
  3. Step 3: Cross multiply
    5,148.31x = 7,104.36 × 3,023.68
  4. Step 4: Simplify right side
    5,148.31x = 21,481,311.24
  5. Step 5: Solve for x
    x = 21,481,311.24/5,148.31
  6. Step 6: Final answer
    x = 4,172.50

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1.5x scale

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.