Home / 5,601.10-8,390.43-3,378.70

Finding the Fourth Proportional to 5,601.10, 8,390.43 and 3,378.70

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Solution

The fourth proportional to 5,601.10, 8,390.43 and 3,378.70 is: 5,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.10 : 8,390.43 = 3,378.70 : x
  2. Step 2: Convert to fraction form
    5,601.10/8,390.43 = 3,378.70/x
  3. Step 3: Cross multiply
    5,601.10x = 8,390.43 × 3,378.70
  4. Step 4: Simplify right side
    5,601.10x = 28,348,745.84
  5. Step 5: Solve for x
    x = 28,348,745.84/5,601.10
  6. Step 6: Final answer
    x = 5,061.28

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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.