Home / 7,664.12-10,576.48-4,479.61

Finding the Fourth Proportional to 7,664.12, 10,576.48 and 4,479.61

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Solution

The fourth proportional to 7,664.12, 10,576.48 and 4,479.61 is: 6,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.12 : 10,576.48 = 4,479.61 : x
  2. Step 2: Convert to fraction form
    7,664.12/10,576.48 = 4,479.61/x
  3. Step 3: Cross multiply
    7,664.12x = 10,576.48 × 4,479.61
  4. Step 4: Simplify right side
    7,664.12x = 47,378,430.29
  5. Step 5: Solve for x
    x = 47,378,430.29/7,664.12
  6. Step 6: Final answer
    x = 6,181.85

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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.