Home / 7,011.57-10,521.38-2,850.81

Finding the Fourth Proportional to 7,011.57, 10,521.38 and 2,850.81

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Solution

The fourth proportional to 7,011.57, 10,521.38 and 2,850.81 is: 4,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.57 : 10,521.38 = 2,850.81 : x
  2. Step 2: Convert to fraction form
    7,011.57/10,521.38 = 2,850.81/x
  3. Step 3: Cross multiply
    7,011.57x = 10,521.38 × 2,850.81
  4. Step 4: Simplify right side
    7,011.57x = 29,994,441.06
  5. Step 5: Solve for x
    x = 29,994,441.06/7,011.57
  6. Step 6: Final answer
    x = 4,277.85

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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.