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Finding the Fourth Proportional to 4,999.55, 6,901.43 and 3,411.44

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Solution

The fourth proportional to 4,999.55, 6,901.43 and 3,411.44 is: 4,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.55 : 6,901.43 = 3,411.44 : x
  2. Step 2: Convert to fraction form
    4,999.55/6,901.43 = 3,411.44/x
  3. Step 3: Cross multiply
    4,999.55x = 6,901.43 × 3,411.44
  4. Step 4: Simplify right side
    4,999.55x = 23,543,762.79
  5. Step 5: Solve for x
    x = 23,543,762.79/4,999.55
  6. Step 6: Final answer
    x = 4,709.18

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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.