Home / 4,450.89-6,678.42-1,985.46

Finding the Fourth Proportional to 4,450.89, 6,678.42 and 1,985.46

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Solution

The fourth proportional to 4,450.89, 6,678.42 and 1,985.46 is: 2,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.89 : 6,678.42 = 1,985.46 : x
  2. Step 2: Convert to fraction form
    4,450.89/6,678.42 = 1,985.46/x
  3. Step 3: Cross multiply
    4,450.89x = 6,678.42 × 1,985.46
  4. Step 4: Simplify right side
    4,450.89x = 13,259,703.28
  5. Step 5: Solve for x
    x = 13,259,703.28/4,450.89
  6. Step 6: Final answer
    x = 2,979.11

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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.