Home / 5,011.68-7,515.36-3,687.42

Finding the Fourth Proportional to 5,011.68, 7,515.36 and 3,687.42

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Solution

The fourth proportional to 5,011.68, 7,515.36 and 3,687.42 is: 5,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.68 : 7,515.36 = 3,687.42 : x
  2. Step 2: Convert to fraction form
    5,011.68/7,515.36 = 3,687.42/x
  3. Step 3: Cross multiply
    5,011.68x = 7,515.36 × 3,687.42
  4. Step 4: Simplify right side
    5,011.68x = 27,712,288.77
  5. Step 5: Solve for x
    x = 27,712,288.77/5,011.68
  6. Step 6: Final answer
    x = 5,529.54

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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.