Home / 5,245.24-7,238.45-3,007.16

Finding the Fourth Proportional to 5,245.24, 7,238.45 and 3,007.16

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Solution

The fourth proportional to 5,245.24, 7,238.45 and 3,007.16 is: 4,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.24 : 7,238.45 = 3,007.16 : x
  2. Step 2: Convert to fraction form
    5,245.24/7,238.45 = 3,007.16/x
  3. Step 3: Cross multiply
    5,245.24x = 7,238.45 × 3,007.16
  4. Step 4: Simplify right side
    5,245.24x = 21,767,162.27
  5. Step 5: Solve for x
    x = 21,767,162.27/5,245.24
  6. Step 6: Final answer
    x = 4,149.89

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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.