Home / 4,160.34-6,240.40-1,238.66

Finding the Fourth Proportional to 4,160.34, 6,240.40 and 1,238.66

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Solution

The fourth proportional to 4,160.34, 6,240.40 and 1,238.66 is: 1,857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.34 : 6,240.40 = 1,238.66 : x
  2. Step 2: Convert to fraction form
    4,160.34/6,240.40 = 1,238.66/x
  3. Step 3: Cross multiply
    4,160.34x = 6,240.40 × 1,238.66
  4. Step 4: Simplify right side
    4,160.34x = 7,729,733.86
  5. Step 5: Solve for x
    x = 7,729,733.86/4,160.34
  6. Step 6: Final answer
    x = 1,857.96

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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.