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Finding the Fourth Proportional to 5,583.94, 8,384.13 and 3,123.58

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Solution

The fourth proportional to 5,583.94, 8,384.13 and 3,123.58 is: 4,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.94 : 8,384.13 = 3,123.58 : x
  2. Step 2: Convert to fraction form
    5,583.94/8,384.13 = 3,123.58/x
  3. Step 3: Cross multiply
    5,583.94x = 8,384.13 × 3,123.58
  4. Step 4: Simplify right side
    5,583.94x = 26,188,500.79
  5. Step 5: Solve for x
    x = 26,188,500.79/5,583.94
  6. Step 6: Final answer
    x = 4,689.97

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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.