Home / 4,686.05-7,029.49-1,912.92

Finding the Fourth Proportional to 4,686.05, 7,029.49 and 1,912.92

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Solution

The fourth proportional to 4,686.05, 7,029.49 and 1,912.92 is: 2,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.05 : 7,029.49 = 1,912.92 : x
  2. Step 2: Convert to fraction form
    4,686.05/7,029.49 = 1,912.92/x
  3. Step 3: Cross multiply
    4,686.05x = 7,029.49 × 1,912.92
  4. Step 4: Simplify right side
    4,686.05x = 13,446,852.01
  5. Step 5: Solve for x
    x = 13,446,852.01/4,686.05
  6. Step 6: Final answer
    x = 2,869.55

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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.