Home / 9,280.45-13,919.19-2,705.10

Finding the Fourth Proportional to 9,280.45, 13,919.19 and 2,705.10

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Solution

The fourth proportional to 9,280.45, 13,919.19 and 2,705.10 is: 4,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.45 : 13,919.19 = 2,705.10 : x
  2. Step 2: Convert to fraction form
    9,280.45/13,919.19 = 2,705.10/x
  3. Step 3: Cross multiply
    9,280.45x = 13,919.19 × 2,705.10
  4. Step 4: Simplify right side
    9,280.45x = 37,652,738.53
  5. Step 5: Solve for x
    x = 37,652,738.53/9,280.45
  6. Step 6: Final answer
    x = 4,057.21

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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.