Home / 5,267.79-7,269.66-2,909.88

Finding the Fourth Proportional to 5,267.79, 7,269.66 and 2,909.88

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Solution

The fourth proportional to 5,267.79, 7,269.66 and 2,909.88 is: 4,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.79 : 7,269.66 = 2,909.88 : x
  2. Step 2: Convert to fraction form
    5,267.79/7,269.66 = 2,909.88/x
  3. Step 3: Cross multiply
    5,267.79x = 7,269.66 × 2,909.88
  4. Step 4: Simplify right side
    5,267.79x = 21,153,838.24
  5. Step 5: Solve for x
    x = 21,153,838.24/5,267.79
  6. Step 6: Final answer
    x = 4,015.70

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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.