Home / 4,992.10-7,490.85-2,070.70

Finding the Fourth Proportional to 4,992.10, 7,490.85 and 2,070.70

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Solution

The fourth proportional to 4,992.10, 7,490.85 and 2,070.70 is: 3,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.10 : 7,490.85 = 2,070.70 : x
  2. Step 2: Convert to fraction form
    4,992.10/7,490.85 = 2,070.70/x
  3. Step 3: Cross multiply
    4,992.10x = 7,490.85 × 2,070.70
  4. Step 4: Simplify right side
    4,992.10x = 15,511,303.10
  5. Step 5: Solve for x
    x = 15,511,303.10/4,992.10
  6. Step 6: Final answer
    x = 3,107.17

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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.