Home / 5,239.48-7,228.42-3,000.15

Finding the Fourth Proportional to 5,239.48, 7,228.42 and 3,000.15

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Solution

The fourth proportional to 5,239.48, 7,228.42 and 3,000.15 is: 4,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.48 : 7,228.42 = 3,000.15 : x
  2. Step 2: Convert to fraction form
    5,239.48/7,228.42 = 3,000.15/x
  3. Step 3: Cross multiply
    5,239.48x = 7,228.42 × 3,000.15
  4. Step 4: Simplify right side
    5,239.48x = 21,686,344.26
  5. Step 5: Solve for x
    x = 21,686,344.26/5,239.48
  6. Step 6: Final answer
    x = 4,139.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.