Home / 5,122.19-7,684.10-1,835.21

Finding the Fourth Proportional to 5,122.19, 7,684.10 and 1,835.21

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Solution

The fourth proportional to 5,122.19, 7,684.10 and 1,835.21 is: 2,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.19 : 7,684.10 = 1,835.21 : x
  2. Step 2: Convert to fraction form
    5,122.19/7,684.10 = 1,835.21/x
  3. Step 3: Cross multiply
    5,122.19x = 7,684.10 × 1,835.21
  4. Step 4: Simplify right side
    5,122.19x = 14,101,889.56
  5. Step 5: Solve for x
    x = 14,101,889.56/5,122.19
  6. Step 6: Final answer
    x = 2,753.10

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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.