Home / 4,450.81-6,677.76-1,678.28

Finding the Fourth Proportional to 4,450.81, 6,677.76 and 1,678.28

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Solution

The fourth proportional to 4,450.81, 6,677.76 and 1,678.28 is: 2,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.81 : 6,677.76 = 1,678.28 : x
  2. Step 2: Convert to fraction form
    4,450.81/6,677.76 = 1,678.28/x
  3. Step 3: Cross multiply
    4,450.81x = 6,677.76 × 1,678.28
  4. Step 4: Simplify right side
    4,450.81x = 11,207,133.30
  5. Step 5: Solve for x
    x = 11,207,133.30/4,450.81
  6. Step 6: Final answer
    x = 2,518.00

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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.