Home / 6,450.54-8,902.51-4,218.89

Finding the Fourth Proportional to 6,450.54, 8,902.51 and 4,218.89

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Solution

The fourth proportional to 6,450.54, 8,902.51 and 4,218.89 is: 5,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.54 : 8,902.51 = 4,218.89 : x
  2. Step 2: Convert to fraction form
    6,450.54/8,902.51 = 4,218.89/x
  3. Step 3: Cross multiply
    6,450.54x = 8,902.51 × 4,218.89
  4. Step 4: Simplify right side
    6,450.54x = 37,558,655.35
  5. Step 5: Solve for x
    x = 37,558,655.35/6,450.54
  6. Step 6: Final answer
    x = 5,822.56

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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.