Home / 8,891.19-13,338.81-3,047.45

Finding the Fourth Proportional to 8,891.19, 13,338.81 and 3,047.45

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Solution

The fourth proportional to 8,891.19, 13,338.81 and 3,047.45 is: 4,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.19 : 13,338.81 = 3,047.45 : x
  2. Step 2: Convert to fraction form
    8,891.19/13,338.81 = 3,047.45/x
  3. Step 3: Cross multiply
    8,891.19x = 13,338.81 × 3,047.45
  4. Step 4: Simplify right side
    8,891.19x = 40,649,289.84
  5. Step 5: Solve for x
    x = 40,649,289.84/8,891.19
  6. Step 6: Final answer
    x = 4,571.86

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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.