Home / 5,624.34-7,761.56-3,106.62

Finding the Fourth Proportional to 5,624.34, 7,761.56 and 3,106.62

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Solution

The fourth proportional to 5,624.34, 7,761.56 and 3,106.62 is: 4,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.34 : 7,761.56 = 3,106.62 : x
  2. Step 2: Convert to fraction form
    5,624.34/7,761.56 = 3,106.62/x
  3. Step 3: Cross multiply
    5,624.34x = 7,761.56 × 3,106.62
  4. Step 4: Simplify right side
    5,624.34x = 24,112,217.53
  5. Step 5: Solve for x
    x = 24,112,217.53/5,624.34
  6. Step 6: Final answer
    x = 4,287.12

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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.