Home / 7,579.38-10,457.13-4,391.61

Finding the Fourth Proportional to 7,579.38, 10,457.13 and 4,391.61

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Solution

The fourth proportional to 7,579.38, 10,457.13 and 4,391.61 is: 6,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.38 : 10,457.13 = 4,391.61 : x
  2. Step 2: Convert to fraction form
    7,579.38/10,457.13 = 4,391.61/x
  3. Step 3: Cross multiply
    7,579.38x = 10,457.13 × 4,391.61
  4. Step 4: Simplify right side
    7,579.38x = 45,923,636.68
  5. Step 5: Solve for x
    x = 45,923,636.68/7,579.38
  6. Step 6: Final answer
    x = 6,059.02

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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.