Home / 4,160.40-6,247.64-2,782.59

Finding the Fourth Proportional to 4,160.40, 6,247.64 and 2,782.59

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Solution

The fourth proportional to 4,160.40, 6,247.64 and 2,782.59 is: 4,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.40 : 6,247.64 = 2,782.59 : x
  2. Step 2: Convert to fraction form
    4,160.40/6,247.64 = 2,782.59/x
  3. Step 3: Cross multiply
    4,160.40x = 6,247.64 × 2,782.59
  4. Step 4: Simplify right side
    4,160.40x = 17,384,575.44
  5. Step 5: Solve for x
    x = 17,384,575.44/4,160.40
  6. Step 6: Final answer
    x = 4,178.59

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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.