Home / 4,159.74-6,239.07-1,238.34

Finding the Fourth Proportional to 4,159.74, 6,239.07 and 1,238.34

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Solution

The fourth proportional to 4,159.74, 6,239.07 and 1,238.34 is: 1,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.74 : 6,239.07 = 1,238.34 : x
  2. Step 2: Convert to fraction form
    4,159.74/6,239.07 = 1,238.34/x
  3. Step 3: Cross multiply
    4,159.74x = 6,239.07 × 1,238.34
  4. Step 4: Simplify right side
    4,159.74x = 7,726,089.94
  5. Step 5: Solve for x
    x = 7,726,089.94/4,159.74
  6. Step 6: Final answer
    x = 1,857.35

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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.