Home / 5,267.30-7,268.96-2,909.39

Finding the Fourth Proportional to 5,267.30, 7,268.96 and 2,909.39

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Solution

The fourth proportional to 5,267.30, 7,268.96 and 2,909.39 is: 4,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.30 : 7,268.96 = 2,909.39 : x
  2. Step 2: Convert to fraction form
    5,267.30/7,268.96 = 2,909.39/x
  3. Step 3: Cross multiply
    5,267.30x = 7,268.96 × 2,909.39
  4. Step 4: Simplify right side
    5,267.30x = 21,148,239.53
  5. Step 5: Solve for x
    x = 21,148,239.53/5,267.30
  6. Step 6: Final answer
    x = 4,015.01

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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.