Home / 5,227.04-7,838.34-2,106.20

Finding the Fourth Proportional to 5,227.04, 7,838.34 and 2,106.20

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Solution

The fourth proportional to 5,227.04, 7,838.34 and 2,106.20 is: 3,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.04 : 7,838.34 = 2,106.20 : x
  2. Step 2: Convert to fraction form
    5,227.04/7,838.34 = 2,106.20/x
  3. Step 3: Cross multiply
    5,227.04x = 7,838.34 × 2,106.20
  4. Step 4: Simplify right side
    5,227.04x = 16,509,136.57
  5. Step 5: Solve for x
    x = 16,509,136.57/5,227.04
  6. Step 6: Final answer
    x = 3,158.41

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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.