Home / 5,267.18-7,268.64-2,909.28

Finding the Fourth Proportional to 5,267.18, 7,268.64 and 2,909.28

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Solution

The fourth proportional to 5,267.18, 7,268.64 and 2,909.28 is: 4,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.18 : 7,268.64 = 2,909.28 : x
  2. Step 2: Convert to fraction form
    5,267.18/7,268.64 = 2,909.28/x
  3. Step 3: Cross multiply
    5,267.18x = 7,268.64 × 2,909.28
  4. Step 4: Simplify right side
    5,267.18x = 21,146,508.98
  5. Step 5: Solve for x
    x = 21,146,508.98/5,267.18
  6. Step 6: Final answer
    x = 4,014.77

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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.