Home / 5,626.28-8,430.70-4,238.12

Finding the Fourth Proportional to 5,626.28, 8,430.70 and 4,238.12

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Solution

The fourth proportional to 5,626.28, 8,430.70 and 4,238.12 is: 6,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.28 : 8,430.70 = 4,238.12 : x
  2. Step 2: Convert to fraction form
    5,626.28/8,430.70 = 4,238.12/x
  3. Step 3: Cross multiply
    5,626.28x = 8,430.70 × 4,238.12
  4. Step 4: Simplify right side
    5,626.28x = 35,730,318.28
  5. Step 5: Solve for x
    x = 35,730,318.28/5,626.28
  6. Step 6: Final answer
    x = 6,350.61

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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.