Home / 5,161.40-7,123.02-2,922.44

Finding the Fourth Proportional to 5,161.40, 7,123.02 and 2,922.44

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Solution

The fourth proportional to 5,161.40, 7,123.02 and 2,922.44 is: 4,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.40 : 7,123.02 = 2,922.44 : x
  2. Step 2: Convert to fraction form
    5,161.40/7,123.02 = 2,922.44/x
  3. Step 3: Cross multiply
    5,161.40x = 7,123.02 × 2,922.44
  4. Step 4: Simplify right side
    5,161.40x = 20,816,598.57
  5. Step 5: Solve for x
    x = 20,816,598.57/5,161.40
  6. Step 6: Final answer
    x = 4,033.13

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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.