Home / 5,639.70-8,459.55-3,297.30

Finding the Fourth Proportional to 5,639.70, 8,459.55 and 3,297.30

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Solution

The fourth proportional to 5,639.70, 8,459.55 and 3,297.30 is: 4,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.70 : 8,459.55 = 3,297.30 : x
  2. Step 2: Convert to fraction form
    5,639.70/8,459.55 = 3,297.30/x
  3. Step 3: Cross multiply
    5,639.70x = 8,459.55 × 3,297.30
  4. Step 4: Simplify right side
    5,639.70x = 27,893,674.22
  5. Step 5: Solve for x
    x = 27,893,674.22/5,639.70
  6. Step 6: Final answer
    x = 4,945.95

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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.