Home / 5,624.28-7,761.40-3,106.33

Finding the Fourth Proportional to 5,624.28, 7,761.40 and 3,106.33

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Solution

The fourth proportional to 5,624.28, 7,761.40 and 3,106.33 is: 4,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.28 : 7,761.40 = 3,106.33 : x
  2. Step 2: Convert to fraction form
    5,624.28/7,761.40 = 3,106.33/x
  3. Step 3: Cross multiply
    5,624.28x = 7,761.40 × 3,106.33
  4. Step 4: Simplify right side
    5,624.28x = 24,109,442.49
  5. Step 5: Solve for x
    x = 24,109,442.49/5,624.28
  6. Step 6: Final answer
    x = 4,286.67

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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.