Home / 6,989.19-9,644.97-4,157.93

Finding the Fourth Proportional to 6,989.19, 9,644.97 and 4,157.93

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Solution

The fourth proportional to 6,989.19, 9,644.97 and 4,157.93 is: 5,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.19 : 9,644.97 = 4,157.93 : x
  2. Step 2: Convert to fraction form
    6,989.19/9,644.97 = 4,157.93/x
  3. Step 3: Cross multiply
    6,989.19x = 9,644.97 × 4,157.93
  4. Step 4: Simplify right side
    6,989.19x = 40,103,149.82
  5. Step 5: Solve for x
    x = 40,103,149.82/6,989.19
  6. Step 6: Final answer
    x = 5,737.89

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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.