Home / 5,267.42-7,269.09-2,909.51

Finding the Fourth Proportional to 5,267.42, 7,269.09 and 2,909.51

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Solution

The fourth proportional to 5,267.42, 7,269.09 and 2,909.51 is: 4,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.42 : 7,269.09 = 2,909.51 : x
  2. Step 2: Convert to fraction form
    5,267.42/7,269.09 = 2,909.51/x
  3. Step 3: Cross multiply
    5,267.42x = 7,269.09 × 2,909.51
  4. Step 4: Simplify right side
    5,267.42x = 21,149,490.05
  5. Step 5: Solve for x
    x = 21,149,490.05/5,267.42
  6. Step 6: Final answer
    x = 4,015.15

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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.