Home / 10,310.94-15,459.46-4,761.22

Finding the Fourth Proportional to 10,310.94, 15,459.46 and 4,761.22

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Solution

The fourth proportional to 10,310.94, 15,459.46 and 4,761.22 is: 7,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.94 : 15,459.46 = 4,761.22 : x
  2. Step 2: Convert to fraction form
    10,310.94/15,459.46 = 4,761.22/x
  3. Step 3: Cross multiply
    10,310.94x = 15,459.46 × 4,761.22
  4. Step 4: Simplify right side
    10,310.94x = 73,605,878.24
  5. Step 5: Solve for x
    x = 73,605,878.24/10,310.94
  6. Step 6: Final answer
    x = 7,138.62

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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.