Home / 6,450.79-8,902.45-3,619.06

Finding the Fourth Proportional to 6,450.79, 8,902.45 and 3,619.06

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Solution

The fourth proportional to 6,450.79, 8,902.45 and 3,619.06 is: 4,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.79 : 8,902.45 = 3,619.06 : x
  2. Step 2: Convert to fraction form
    6,450.79/8,902.45 = 3,619.06/x
  3. Step 3: Cross multiply
    6,450.79x = 8,902.45 × 3,619.06
  4. Step 4: Simplify right side
    6,450.79x = 32,218,512.68
  5. Step 5: Solve for x
    x = 32,218,512.68/6,450.79
  6. Step 6: Final answer
    x = 4,994.50

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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.