Home / 5,269.15-7,270.81-2,911.15

Finding the Fourth Proportional to 5,269.15, 7,270.81 and 2,911.15

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Solution

The fourth proportional to 5,269.15, 7,270.81 and 2,911.15 is: 4,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.15 : 7,270.81 = 2,911.15 : x
  2. Step 2: Convert to fraction form
    5,269.15/7,270.81 = 2,911.15/x
  3. Step 3: Cross multiply
    5,269.15x = 7,270.81 × 2,911.15
  4. Step 4: Simplify right side
    5,269.15x = 21,166,418.53
  5. Step 5: Solve for x
    x = 21,166,418.53/5,269.15
  6. Step 6: Final answer
    x = 4,017.05

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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.