Home / 5,267.72-7,269.43-2,909.84

Finding the Fourth Proportional to 5,267.72, 7,269.43 and 2,909.84

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Solution

The fourth proportional to 5,267.72, 7,269.43 and 2,909.84 is: 4,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.72 : 7,269.43 = 2,909.84 : x
  2. Step 2: Convert to fraction form
    5,267.72/7,269.43 = 2,909.84/x
  3. Step 3: Cross multiply
    5,267.72x = 7,269.43 × 2,909.84
  4. Step 4: Simplify right side
    5,267.72x = 21,152,878.19
  5. Step 5: Solve for x
    x = 21,152,878.19/5,267.72
  6. Step 6: Final answer
    x = 4,015.57

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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.