Home / 8,189.12-12,285.17-4,683.08

Finding the Fourth Proportional to 8,189.12, 12,285.17 and 4,683.08

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Solution

The fourth proportional to 8,189.12, 12,285.17 and 4,683.08 is: 7,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.12 : 12,285.17 = 4,683.08 : x
  2. Step 2: Convert to fraction form
    8,189.12/12,285.17 = 4,683.08/x
  3. Step 3: Cross multiply
    8,189.12x = 12,285.17 × 4,683.08
  4. Step 4: Simplify right side
    8,189.12x = 57,532,433.92
  5. Step 5: Solve for x
    x = 57,532,433.92/8,189.12
  6. Step 6: Final answer
    x = 7,025.47

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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.