Home / 5,299.27-7,313.09-2,909.47

Finding the Fourth Proportional to 5,299.27, 7,313.09 and 2,909.47

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Solution

The fourth proportional to 5,299.27, 7,313.09 and 2,909.47 is: 4,015.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.27 : 7,313.09 = 2,909.47 : x
  2. Step 2: Convert to fraction form
    5,299.27/7,313.09 = 2,909.47/x
  3. Step 3: Cross multiply
    5,299.27x = 7,313.09 × 2,909.47
  4. Step 4: Simplify right side
    5,299.27x = 21,277,215.96
  5. Step 5: Solve for x
    x = 21,277,215.96/5,299.27
  6. Step 6: Final answer
    x = 4,015.12

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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.