Home / 7,011.99-10,519.61-2,631.51

Finding the Fourth Proportional to 7,011.99, 10,519.61 and 2,631.51

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Solution

The fourth proportional to 7,011.99, 10,519.61 and 2,631.51 is: 3,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.99 : 10,519.61 = 2,631.51 : x
  2. Step 2: Convert to fraction form
    7,011.99/10,519.61 = 2,631.51/x
  3. Step 3: Cross multiply
    7,011.99x = 10,519.61 × 2,631.51
  4. Step 4: Simplify right side
    7,011.99x = 27,682,445.75
  5. Step 5: Solve for x
    x = 27,682,445.75/7,011.99
  6. Step 6: Final answer
    x = 3,947.87

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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.