Home / 5,022.03-7,527.81-1,687.80

Finding the Fourth Proportional to 5,022.03, 7,527.81 and 1,687.80

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Solution

The fourth proportional to 5,022.03, 7,527.81 and 1,687.80 is: 2,529.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.03 : 7,527.81 = 1,687.80 : x
  2. Step 2: Convert to fraction form
    5,022.03/7,527.81 = 1,687.80/x
  3. Step 3: Cross multiply
    5,022.03x = 7,527.81 × 1,687.80
  4. Step 4: Simplify right side
    5,022.03x = 12,705,437.72
  5. Step 5: Solve for x
    x = 12,705,437.72/5,022.03
  6. Step 6: Final answer
    x = 2,529.94

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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.