Home / 5,020.40-7,530.03-1,322.92

Finding the Fourth Proportional to 5,020.40, 7,530.03 and 1,322.92

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Solution

The fourth proportional to 5,020.40, 7,530.03 and 1,322.92 is: 1,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.40 : 7,530.03 = 1,322.92 : x
  2. Step 2: Convert to fraction form
    5,020.40/7,530.03 = 1,322.92/x
  3. Step 3: Cross multiply
    5,020.40x = 7,530.03 × 1,322.92
  4. Step 4: Simplify right side
    5,020.40x = 9,961,601.85
  5. Step 5: Solve for x
    x = 9,961,601.85/5,020.40
  6. Step 6: Final answer
    x = 1,984.23

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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.