Home / 5,624.12-7,760.76-3,266.39

Finding the Fourth Proportional to 5,624.12, 7,760.76 and 3,266.39

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Solution

The fourth proportional to 5,624.12, 7,760.76 and 3,266.39 is: 4,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.12 : 7,760.76 = 3,266.39 : x
  2. Step 2: Convert to fraction form
    5,624.12/7,760.76 = 3,266.39/x
  3. Step 3: Cross multiply
    5,624.12x = 7,760.76 × 3,266.39
  4. Step 4: Simplify right side
    5,624.12x = 25,349,668.86
  5. Step 5: Solve for x
    x = 25,349,668.86/5,624.12
  6. Step 6: Final answer
    x = 4,507.31

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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.