Home / 7,280.22-10,920.26-2,086.08

Finding the Fourth Proportional to 7,280.22, 10,920.26 and 2,086.08

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Solution

The fourth proportional to 7,280.22, 10,920.26 and 2,086.08 is: 3,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.22 : 10,920.26 = 2,086.08 : x
  2. Step 2: Convert to fraction form
    7,280.22/10,920.26 = 2,086.08/x
  3. Step 3: Cross multiply
    7,280.22x = 10,920.26 × 2,086.08
  4. Step 4: Simplify right side
    7,280.22x = 22,780,535.98
  5. Step 5: Solve for x
    x = 22,780,535.98/7,280.22
  6. Step 6: Final answer
    x = 3,129.10

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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.