Home / 7,650.20-10,546.10-5,408.12

Finding the Fourth Proportional to 7,650.20, 10,546.10 and 5,408.12

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Solution

The fourth proportional to 7,650.20, 10,546.10 and 5,408.12 is: 7,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.20 : 10,546.10 = 5,408.12 : x
  2. Step 2: Convert to fraction form
    7,650.20/10,546.10 = 5,408.12/x
  3. Step 3: Cross multiply
    7,650.20x = 10,546.10 × 5,408.12
  4. Step 4: Simplify right side
    7,650.20x = 57,034,574.33
  5. Step 5: Solve for x
    x = 57,034,574.33/7,650.20
  6. Step 6: Final answer
    x = 7,455.31

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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.