Home / 6,189.68-8,541.48-3,395.12

Finding the Fourth Proportional to 6,189.68, 8,541.48 and 3,395.12

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Solution

The fourth proportional to 6,189.68, 8,541.48 and 3,395.12 is: 4,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.68 : 8,541.48 = 3,395.12 : x
  2. Step 2: Convert to fraction form
    6,189.68/8,541.48 = 3,395.12/x
  3. Step 3: Cross multiply
    6,189.68x = 8,541.48 × 3,395.12
  4. Step 4: Simplify right side
    6,189.68x = 28,999,349.58
  5. Step 5: Solve for x
    x = 28,999,349.58/6,189.68
  6. Step 6: Final answer
    x = 4,685.11

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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.