Home / 6,965.15-9,612.83-4,135.01

Finding the Fourth Proportional to 6,965.15, 9,612.83 and 4,135.01

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Solution

The fourth proportional to 6,965.15, 9,612.83 and 4,135.01 is: 5,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.15 : 9,612.83 = 4,135.01 : x
  2. Step 2: Convert to fraction form
    6,965.15/9,612.83 = 4,135.01/x
  3. Step 3: Cross multiply
    6,965.15x = 9,612.83 × 4,135.01
  4. Step 4: Simplify right side
    6,965.15x = 39,749,079.44
  5. Step 5: Solve for x
    x = 39,749,079.44/6,965.15
  6. Step 6: Final answer
    x = 5,706.86

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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.