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Finding the Fourth Proportional to 5,824.78, 8,737.79 and 2,127.34

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Solution

The fourth proportional to 5,824.78, 8,737.79 and 2,127.34 is: 3,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.78 : 8,737.79 = 2,127.34 : x
  2. Step 2: Convert to fraction form
    5,824.78/8,737.79 = 2,127.34/x
  3. Step 3: Cross multiply
    5,824.78x = 8,737.79 × 2,127.34
  4. Step 4: Simplify right side
    5,824.78x = 18,588,250.18
  5. Step 5: Solve for x
    x = 18,588,250.18/5,824.78
  6. Step 6: Final answer
    x = 3,191.24

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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.