Home / 6,189.20-8,542.28-4,842.13

Finding the Fourth Proportional to 6,189.20, 8,542.28 and 4,842.13

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Solution

The fourth proportional to 6,189.20, 8,542.28 and 4,842.13 is: 6,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.20 : 8,542.28 = 4,842.13 : x
  2. Step 2: Convert to fraction form
    6,189.20/8,542.28 = 4,842.13/x
  3. Step 3: Cross multiply
    6,189.20x = 8,542.28 × 4,842.13
  4. Step 4: Simplify right side
    6,189.20x = 41,362,821.01
  5. Step 5: Solve for x
    x = 41,362,821.01/6,189.20
  6. Step 6: Final answer
    x = 6,683.06

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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.