Home / 4,892.85-7,341.45-1,976.85

Finding the Fourth Proportional to 4,892.85, 7,341.45 and 1,976.85

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Solution

The fourth proportional to 4,892.85, 7,341.45 and 1,976.85 is: 2,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.85 : 7,341.45 = 1,976.85 : x
  2. Step 2: Convert to fraction form
    4,892.85/7,341.45 = 1,976.85/x
  3. Step 3: Cross multiply
    4,892.85x = 7,341.45 × 1,976.85
  4. Step 4: Simplify right side
    4,892.85x = 14,512,945.43
  5. Step 5: Solve for x
    x = 14,512,945.43/4,892.85
  6. Step 6: Final answer
    x = 2,966.15

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1.5x scale

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.