Home / 5,106.95-7,660.41-1,644.20

Finding the Fourth Proportional to 5,106.95, 7,660.41 and 1,644.20

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Solution

The fourth proportional to 5,106.95, 7,660.41 and 1,644.20 is: 2,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.95 : 7,660.41 = 1,644.20 : x
  2. Step 2: Convert to fraction form
    5,106.95/7,660.41 = 1,644.20/x
  3. Step 3: Cross multiply
    5,106.95x = 7,660.41 × 1,644.20
  4. Step 4: Simplify right side
    5,106.95x = 12,595,207.82
  5. Step 5: Solve for x
    x = 12,595,207.82/5,106.95
  6. Step 6: Final answer
    x = 2,466.29

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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.