Home / 4,298.57-6,447.05-1,487.39

Finding the Fourth Proportional to 4,298.57, 6,447.05 and 1,487.39

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Solution

The fourth proportional to 4,298.57, 6,447.05 and 1,487.39 is: 2,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.57 : 6,447.05 = 1,487.39 : x
  2. Step 2: Convert to fraction form
    4,298.57/6,447.05 = 1,487.39/x
  3. Step 3: Cross multiply
    4,298.57x = 6,447.05 × 1,487.39
  4. Step 4: Simplify right side
    4,298.57x = 9,589,238.03
  5. Step 5: Solve for x
    x = 9,589,238.03/4,298.57
  6. Step 6: Final answer
    x = 2,230.80

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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.