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Finding the Fourth Proportional to 4,998.48, 6,893.16 and 4,721.52

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Solution

The fourth proportional to 4,998.48, 6,893.16 and 4,721.52 is: 6,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.48 : 6,893.16 = 4,721.52 : x
  2. Step 2: Convert to fraction form
    4,998.48/6,893.16 = 4,721.52/x
  3. Step 3: Cross multiply
    4,998.48x = 6,893.16 × 4,721.52
  4. Step 4: Simplify right side
    4,998.48x = 32,546,192.80
  5. Step 5: Solve for x
    x = 32,546,192.80/4,998.48
  6. Step 6: Final answer
    x = 6,511.22

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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.