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Finding the Fourth Proportional to 6,411.96, 9,596.07 and 5,099.76

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Solution

The fourth proportional to 6,411.96, 9,596.07 and 5,099.76 is: 7,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.96 : 9,596.07 = 5,099.76 : x
  2. Step 2: Convert to fraction form
    6,411.96/9,596.07 = 5,099.76/x
  3. Step 3: Cross multiply
    6,411.96x = 9,596.07 × 5,099.76
  4. Step 4: Simplify right side
    6,411.96x = 48,937,653.94
  5. Step 5: Solve for x
    x = 48,937,653.94/6,411.96
  6. Step 6: Final answer
    x = 7,632.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.