Home / 5,267.55-7,269.30-2,909.64

Finding the Fourth Proportional to 5,267.55, 7,269.30 and 2,909.64

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Solution

The fourth proportional to 5,267.55, 7,269.30 and 2,909.64 is: 4,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.55 : 7,269.30 = 2,909.64 : x
  2. Step 2: Convert to fraction form
    5,267.55/7,269.30 = 2,909.64/x
  3. Step 3: Cross multiply
    5,267.55x = 7,269.30 × 2,909.64
  4. Step 4: Simplify right side
    5,267.55x = 21,151,046.05
  5. Step 5: Solve for x
    x = 21,151,046.05/5,267.55
  6. Step 6: Final answer
    x = 4,015.35

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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.