Home / 6,626.18-9,939.28-3,162.62

Finding the Fourth Proportional to 6,626.18, 9,939.28 and 3,162.62

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Solution

The fourth proportional to 6,626.18, 9,939.28 and 3,162.62 is: 4,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.18 : 9,939.28 = 3,162.62 : x
  2. Step 2: Convert to fraction form
    6,626.18/9,939.28 = 3,162.62/x
  3. Step 3: Cross multiply
    6,626.18x = 9,939.28 × 3,162.62
  4. Step 4: Simplify right side
    6,626.18x = 31,434,165.71
  5. Step 5: Solve for x
    x = 31,434,165.71/6,626.18
  6. Step 6: Final answer
    x = 4,743.93

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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.