Home / 5,117.29-7,061.83-2,909.29

Finding the Fourth Proportional to 5,117.29, 7,061.83 and 2,909.29

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Solution

The fourth proportional to 5,117.29, 7,061.83 and 2,909.29 is: 4,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.29 : 7,061.83 = 2,909.29 : x
  2. Step 2: Convert to fraction form
    5,117.29/7,061.83 = 2,909.29/x
  3. Step 3: Cross multiply
    5,117.29x = 7,061.83 × 2,909.29
  4. Step 4: Simplify right side
    5,117.29x = 20,544,896.85
  5. Step 5: Solve for x
    x = 20,544,896.85/5,117.29
  6. Step 6: Final answer
    x = 4,014.80

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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.