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Finding the Fourth Proportional to 7,600.96, 10,491.07 and 4,458.16

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Solution

The fourth proportional to 7,600.96, 10,491.07 and 4,458.16 is: 6,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.96 : 10,491.07 = 4,458.16 : x
  2. Step 2: Convert to fraction form
    7,600.96/10,491.07 = 4,458.16/x
  3. Step 3: Cross multiply
    7,600.96x = 10,491.07 × 4,458.16
  4. Step 4: Simplify right side
    7,600.96x = 46,770,816.18
  5. Step 5: Solve for x
    x = 46,770,816.18/7,600.96
  6. Step 6: Final answer
    x = 6,153.28

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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.