Home / 6,231.40-9,355.20-5,000.20

Finding the Fourth Proportional to 6,231.40, 9,355.20 and 5,000.20

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Solution

The fourth proportional to 6,231.40, 9,355.20 and 5,000.20 is: 7,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.40 : 9,355.20 = 5,000.20 : x
  2. Step 2: Convert to fraction form
    6,231.40/9,355.20 = 5,000.20/x
  3. Step 3: Cross multiply
    6,231.40x = 9,355.20 × 5,000.20
  4. Step 4: Simplify right side
    6,231.40x = 46,777,871.04
  5. Step 5: Solve for x
    x = 46,777,871.04/6,231.40
  6. Step 6: Final answer
    x = 7,506.80

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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.