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Finding the Fourth Proportional to 7,445.92, 11,151.06 and 4,834.48

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Solution

The fourth proportional to 7,445.92, 11,151.06 and 4,834.48 is: 7,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.92 : 11,151.06 = 4,834.48 : x
  2. Step 2: Convert to fraction form
    7,445.92/11,151.06 = 4,834.48/x
  3. Step 3: Cross multiply
    7,445.92x = 11,151.06 × 4,834.48
  4. Step 4: Simplify right side
    7,445.92x = 53,909,576.55
  5. Step 5: Solve for x
    x = 53,909,576.55/7,445.92
  6. Step 6: Final answer
    x = 7,240.15

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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.