Home / 4,686.07-7,029.06-1,912.09

Finding the Fourth Proportional to 4,686.07, 7,029.06 and 1,912.09

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Solution

The fourth proportional to 4,686.07, 7,029.06 and 1,912.09 is: 2,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.07 : 7,029.06 = 1,912.09 : x
  2. Step 2: Convert to fraction form
    4,686.07/7,029.06 = 1,912.09/x
  3. Step 3: Cross multiply
    4,686.07x = 7,029.06 × 1,912.09
  4. Step 4: Simplify right side
    4,686.07x = 13,440,195.34
  5. Step 5: Solve for x
    x = 13,440,195.34/4,686.07
  6. Step 6: Final answer
    x = 2,868.12

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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.