Home / 4,905.90-7,356.15-2,132.10

Finding the Fourth Proportional to 4,905.90, 7,356.15 and 2,132.10

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Solution

The fourth proportional to 4,905.90, 7,356.15 and 2,132.10 is: 3,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.90 : 7,356.15 = 2,132.10 : x
  2. Step 2: Convert to fraction form
    4,905.90/7,356.15 = 2,132.10/x
  3. Step 3: Cross multiply
    4,905.90x = 7,356.15 × 2,132.10
  4. Step 4: Simplify right side
    4,905.90x = 15,684,047.42
  5. Step 5: Solve for x
    x = 15,684,047.42/4,905.90
  6. Step 6: Final answer
    x = 3,196.98

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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.