Home / 7,612.60-10,505.84-4,469.28

Finding the Fourth Proportional to 7,612.60, 10,505.84 and 4,469.28

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Solution

The fourth proportional to 7,612.60, 10,505.84 and 4,469.28 is: 6,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.60 : 10,505.84 = 4,469.28 : x
  2. Step 2: Convert to fraction form
    7,612.60/10,505.84 = 4,469.28/x
  3. Step 3: Cross multiply
    7,612.60x = 10,505.84 × 4,469.28
  4. Step 4: Simplify right side
    7,612.60x = 46,953,540.60
  5. Step 5: Solve for x
    x = 46,953,540.60/7,612.60
  6. Step 6: Final answer
    x = 6,167.87

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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.