Home / 4,487.16-6,729.96-1,200.45

Finding the Fourth Proportional to 4,487.16, 6,729.96 and 1,200.45

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Solution

The fourth proportional to 4,487.16, 6,729.96 and 1,200.45 is: 1,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.16 : 6,729.96 = 1,200.45 : x
  2. Step 2: Convert to fraction form
    4,487.16/6,729.96 = 1,200.45/x
  3. Step 3: Cross multiply
    4,487.16x = 6,729.96 × 1,200.45
  4. Step 4: Simplify right side
    4,487.16x = 8,078,980.48
  5. Step 5: Solve for x
    x = 8,078,980.48/4,487.16
  6. Step 6: Final answer
    x = 1,800.47

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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.