Home / 6,422.10-9,632.50-3,137.46

Finding the Fourth Proportional to 6,422.10, 9,632.50 and 3,137.46

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Solution

The fourth proportional to 6,422.10, 9,632.50 and 3,137.46 is: 4,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.10 : 9,632.50 = 3,137.46 : x
  2. Step 2: Convert to fraction form
    6,422.10/9,632.50 = 3,137.46/x
  3. Step 3: Cross multiply
    6,422.10x = 9,632.50 × 3,137.46
  4. Step 4: Simplify right side
    6,422.10x = 30,221,583.45
  5. Step 5: Solve for x
    x = 30,221,583.45/6,422.10
  6. Step 6: Final answer
    x = 4,705.87

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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.