Home / 7,705.50-10,633.60-4,168.70

Finding the Fourth Proportional to 7,705.50, 10,633.60 and 4,168.70

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Solution

The fourth proportional to 7,705.50, 10,633.60 and 4,168.70 is: 5,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.50 : 10,633.60 = 4,168.70 : x
  2. Step 2: Convert to fraction form
    7,705.50/10,633.60 = 4,168.70/x
  3. Step 3: Cross multiply
    7,705.50x = 10,633.60 × 4,168.70
  4. Step 4: Simplify right side
    7,705.50x = 44,328,288.32
  5. Step 5: Solve for x
    x = 44,328,288.32/7,705.50
  6. Step 6: Final answer
    x = 5,752.81

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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.