Home / 4,906.10-7,359.76-1,985.24

Finding the Fourth Proportional to 4,906.10, 7,359.76 and 1,985.24

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Solution

The fourth proportional to 4,906.10, 7,359.76 and 1,985.24 is: 2,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.10 : 7,359.76 = 1,985.24 : x
  2. Step 2: Convert to fraction form
    4,906.10/7,359.76 = 1,985.24/x
  3. Step 3: Cross multiply
    4,906.10x = 7,359.76 × 1,985.24
  4. Step 4: Simplify right side
    4,906.10x = 14,610,889.94
  5. Step 5: Solve for x
    x = 14,610,889.94/4,906.10
  6. Step 6: Final answer
    x = 2,978.11

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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.