Home / 7,209.28-10,813.98-2,015.08

Finding the Fourth Proportional to 7,209.28, 10,813.98 and 2,015.08

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Solution

The fourth proportional to 7,209.28, 10,813.98 and 2,015.08 is: 3,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.28 : 10,813.98 = 2,015.08 : x
  2. Step 2: Convert to fraction form
    7,209.28/10,813.98 = 2,015.08/x
  3. Step 3: Cross multiply
    7,209.28x = 10,813.98 × 2,015.08
  4. Step 4: Simplify right side
    7,209.28x = 21,791,034.82
  5. Step 5: Solve for x
    x = 21,791,034.82/7,209.28
  6. Step 6: Final answer
    x = 3,022.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.