Home / 7,282.87-10,923.69-2,899.15

Finding the Fourth Proportional to 7,282.87, 10,923.69 and 2,899.15

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Solution

The fourth proportional to 7,282.87, 10,923.69 and 2,899.15 is: 4,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.87 : 10,923.69 = 2,899.15 : x
  2. Step 2: Convert to fraction form
    7,282.87/10,923.69 = 2,899.15/x
  3. Step 3: Cross multiply
    7,282.87x = 10,923.69 × 2,899.15
  4. Step 4: Simplify right side
    7,282.87x = 31,669,415.86
  5. Step 5: Solve for x
    x = 31,669,415.86/7,282.87
  6. Step 6: Final answer
    x = 4,348.48

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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.