Home / 7,664.20-10,576.56-4,679.44

Finding the Fourth Proportional to 7,664.20, 10,576.56 and 4,679.44

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Solution

The fourth proportional to 7,664.20, 10,576.56 and 4,679.44 is: 6,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.20 : 10,576.56 = 4,679.44 : x
  2. Step 2: Convert to fraction form
    7,664.20/10,576.56 = 4,679.44/x
  3. Step 3: Cross multiply
    7,664.20x = 10,576.56 × 4,679.44
  4. Step 4: Simplify right side
    7,664.20x = 49,492,377.93
  5. Step 5: Solve for x
    x = 49,492,377.93/7,664.20
  6. Step 6: Final answer
    x = 6,457.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.