Home / 4,990.41-7,483.50-2,215.17

Finding the Fourth Proportional to 4,990.41, 7,483.50 and 2,215.17

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Solution

The fourth proportional to 4,990.41, 7,483.50 and 2,215.17 is: 3,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.41 : 7,483.50 = 2,215.17 : x
  2. Step 2: Convert to fraction form
    4,990.41/7,483.50 = 2,215.17/x
  3. Step 3: Cross multiply
    4,990.41x = 7,483.50 × 2,215.17
  4. Step 4: Simplify right side
    4,990.41x = 16,577,224.70
  5. Step 5: Solve for x
    x = 16,577,224.70/4,990.41
  6. Step 6: Final answer
    x = 3,321.82

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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.