Home / 7,260.12-10,890.36-2,066.40

Finding the Fourth Proportional to 7,260.12, 10,890.36 and 2,066.40

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Solution

The fourth proportional to 7,260.12, 10,890.36 and 2,066.40 is: 3,099.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.12 : 10,890.36 = 2,066.40 : x
  2. Step 2: Convert to fraction form
    7,260.12/10,890.36 = 2,066.40/x
  3. Step 3: Cross multiply
    7,260.12x = 10,890.36 × 2,066.40
  4. Step 4: Simplify right side
    7,260.12x = 22,503,839.90
  5. Step 5: Solve for x
    x = 22,503,839.90/7,260.12
  6. Step 6: Final answer
    x = 3,099.65

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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.