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Finding the Fourth Proportional to 4,336.54, 6,506.02 and 1,415.02

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Solution

The fourth proportional to 4,336.54, 6,506.02 and 1,415.02 is: 2,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,336.54 : 6,506.02 = 1,415.02 : x
  2. Step 2: Convert to fraction form
    4,336.54/6,506.02 = 1,415.02/x
  3. Step 3: Cross multiply
    4,336.54x = 6,506.02 × 1,415.02
  4. Step 4: Simplify right side
    4,336.54x = 9,206,148.42
  5. Step 5: Solve for x
    x = 9,206,148.42/4,336.54
  6. Step 6: Final answer
    x = 2,122.92

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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.