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Finding the Fourth Proportional to 4,953.73, 7,435.22 and 2,615.47

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Solution

The fourth proportional to 4,953.73, 7,435.22 and 2,615.47 is: 3,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.73 : 7,435.22 = 2,615.47 : x
  2. Step 2: Convert to fraction form
    4,953.73/7,435.22 = 2,615.47/x
  3. Step 3: Cross multiply
    4,953.73x = 7,435.22 × 2,615.47
  4. Step 4: Simplify right side
    4,953.73x = 19,446,594.85
  5. Step 5: Solve for x
    x = 19,446,594.85/4,953.73
  6. Step 6: Final answer
    x = 3,925.65

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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.