Home / 5,897.66-8,142.93-3,912.35

Finding the Fourth Proportional to 5,897.66, 8,142.93 and 3,912.35

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Solution

The fourth proportional to 5,897.66, 8,142.93 and 3,912.35 is: 5,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.66 : 8,142.93 = 3,912.35 : x
  2. Step 2: Convert to fraction form
    5,897.66/8,142.93 = 3,912.35/x
  3. Step 3: Cross multiply
    5,897.66x = 8,142.93 × 3,912.35
  4. Step 4: Simplify right side
    5,897.66x = 31,857,951.47
  5. Step 5: Solve for x
    x = 31,857,951.47/5,897.66
  6. Step 6: Final answer
    x = 5,401.80

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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.