Home / 6,449.95-8,900.19-3,617.33

Finding the Fourth Proportional to 6,449.95, 8,900.19 and 3,617.33

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Solution

The fourth proportional to 6,449.95, 8,900.19 and 3,617.33 is: 4,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449.95 : 8,900.19 = 3,617.33 : x
  2. Step 2: Convert to fraction form
    6,449.95/8,900.19 = 3,617.33/x
  3. Step 3: Cross multiply
    6,449.95x = 8,900.19 × 3,617.33
  4. Step 4: Simplify right side
    6,449.95x = 32,194,861.71
  5. Step 5: Solve for x
    x = 32,194,861.71/6,449.95
  6. Step 6: Final answer
    x = 4,991.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.