Home / 4,910.10-7,366.98-1,990.46

Finding the Fourth Proportional to 4,910.10, 7,366.98 and 1,990.46

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Solution

The fourth proportional to 4,910.10, 7,366.98 and 1,990.46 is: 2,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.10 : 7,366.98 = 1,990.46 : x
  2. Step 2: Convert to fraction form
    4,910.10/7,366.98 = 1,990.46/x
  3. Step 3: Cross multiply
    4,910.10x = 7,366.98 × 1,990.46
  4. Step 4: Simplify right side
    4,910.10x = 14,663,642.18
  5. Step 5: Solve for x
    x = 14,663,642.18/4,910.10
  6. Step 6: Final answer
    x = 2,986.42

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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.