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Finding the Fourth Proportional to 4,687, 6,468.18 and 2,824.12

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Solution

The fourth proportional to 4,687, 6,468.18 and 2,824.12 is: 3,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687 : 6,468.18 = 2,824.12 : x
  2. Step 2: Convert to fraction form
    4,687/6,468.18 = 2,824.12/x
  3. Step 3: Cross multiply
    4,687x = 6,468.18 × 2,824.12
  4. Step 4: Simplify right side
    4,687x = 18,266,916.50
  5. Step 5: Solve for x
    x = 18,266,916.50/4,687
  6. Step 6: Final answer
    x = 3,897.36

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1.5x scale

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.