Home / 7,047.87-10,570.20-2,116.89

Finding the Fourth Proportional to 7,047.87, 10,570.20 and 2,116.89

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Solution

The fourth proportional to 7,047.87, 10,570.20 and 2,116.89 is: 3,174.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.87 : 10,570.20 = 2,116.89 : x
  2. Step 2: Convert to fraction form
    7,047.87/10,570.20 = 2,116.89/x
  3. Step 3: Cross multiply
    7,047.87x = 10,570.20 × 2,116.89
  4. Step 4: Simplify right side
    7,047.87x = 22,375,950.68
  5. Step 5: Solve for x
    x = 22,375,950.68/7,047.87
  6. Step 6: Final answer
    x = 3,174.85

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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.