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Finding the Fourth Proportional to 4,686.52, 6,467.12 and 2,590.52

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Solution

The fourth proportional to 4,686.52, 6,467.12 and 2,590.52 is: 3,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.52 : 6,467.12 = 2,590.52 : x
  2. Step 2: Convert to fraction form
    4,686.52/6,467.12 = 2,590.52/x
  3. Step 3: Cross multiply
    4,686.52x = 6,467.12 × 2,590.52
  4. Step 4: Simplify right side
    4,686.52x = 16,753,203.70
  5. Step 5: Solve for x
    x = 16,753,203.70/4,686.52
  6. Step 6: Final answer
    x = 3,574.76

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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.