Home / 4,885.47-7,339.17-2,939.04

Finding the Fourth Proportional to 4,885.47, 7,339.17 and 2,939.04

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Solution

The fourth proportional to 4,885.47, 7,339.17 and 2,939.04 is: 4,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.47 : 7,339.17 = 2,939.04 : x
  2. Step 2: Convert to fraction form
    4,885.47/7,339.17 = 2,939.04/x
  3. Step 3: Cross multiply
    4,885.47x = 7,339.17 × 2,939.04
  4. Step 4: Simplify right side
    4,885.47x = 21,570,114.20
  5. Step 5: Solve for x
    x = 21,570,114.20/4,885.47
  6. Step 6: Final answer
    x = 4,415.16

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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.