Home / 4,159.72-6,240.48-1,238.26

Finding the Fourth Proportional to 4,159.72, 6,240.48 and 1,238.26

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Solution

The fourth proportional to 4,159.72, 6,240.48 and 1,238.26 is: 1,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.72 : 6,240.48 = 1,238.26 : x
  2. Step 2: Convert to fraction form
    4,159.72/6,240.48 = 1,238.26/x
  3. Step 3: Cross multiply
    4,159.72x = 6,240.48 × 1,238.26
  4. Step 4: Simplify right side
    4,159.72x = 7,727,336.76
  5. Step 5: Solve for x
    x = 7,727,336.76/4,159.72
  6. Step 6: Final answer
    x = 1,857.66

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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.