Home / 7,912.49-10,919.00-4,555.34

Finding the Fourth Proportional to 7,912.49, 10,919.00 and 4,555.34

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Solution

The fourth proportional to 7,912.49, 10,919.00 and 4,555.34 is: 6,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.49 : 10,919.00 = 4,555.34 : x
  2. Step 2: Convert to fraction form
    7,912.49/10,919.00 = 4,555.34/x
  3. Step 3: Cross multiply
    7,912.49x = 10,919.00 × 4,555.34
  4. Step 4: Simplify right side
    7,912.49x = 49,739,755.20
  5. Step 5: Solve for x
    x = 49,739,755.20/7,912.49
  6. Step 6: Final answer
    x = 6,286.24

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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.