Home / 4,013.43-6,020.78-1,239.45

Finding the Fourth Proportional to 4,013.43, 6,020.78 and 1,239.45

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Solution

The fourth proportional to 4,013.43, 6,020.78 and 1,239.45 is: 1,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.43 : 6,020.78 = 1,239.45 : x
  2. Step 2: Convert to fraction form
    4,013.43/6,020.78 = 1,239.45/x
  3. Step 3: Cross multiply
    4,013.43x = 6,020.78 × 1,239.45
  4. Step 4: Simplify right side
    4,013.43x = 7,462,455.77
  5. Step 5: Solve for x
    x = 7,462,455.77/4,013.43
  6. Step 6: Final answer
    x = 1,859.37

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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.