Home / 7,469.12-10,305.48-4,325.12

Finding the Fourth Proportional to 7,469.12, 10,305.48 and 4,325.12

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Solution

The fourth proportional to 7,469.12, 10,305.48 and 4,325.12 is: 5,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.12 : 10,305.48 = 4,325.12 : x
  2. Step 2: Convert to fraction form
    7,469.12/10,305.48 = 4,325.12/x
  3. Step 3: Cross multiply
    7,469.12x = 10,305.48 × 4,325.12
  4. Step 4: Simplify right side
    7,469.12x = 44,572,437.66
  5. Step 5: Solve for x
    x = 44,572,437.66/7,469.12
  6. Step 6: Final answer
    x = 5,967.56

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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.