Home / 5,705.12-8,546.32-3,751.40

Finding the Fourth Proportional to 5,705.12, 8,546.32 and 3,751.40

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Solution

The fourth proportional to 5,705.12, 8,546.32 and 3,751.40 is: 5,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.12 : 8,546.32 = 3,751.40 : x
  2. Step 2: Convert to fraction form
    5,705.12/8,546.32 = 3,751.40/x
  3. Step 3: Cross multiply
    5,705.12x = 8,546.32 × 3,751.40
  4. Step 4: Simplify right side
    5,705.12x = 32,060,664.85
  5. Step 5: Solve for x
    x = 32,060,664.85/5,705.12
  6. Step 6: Final answer
    x = 5,619.63

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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.