Home / 4,246.80-6,367.64-1,780.35

Finding the Fourth Proportional to 4,246.80, 6,367.64 and 1,780.35

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Solution

The fourth proportional to 4,246.80, 6,367.64 and 1,780.35 is: 2,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.80 : 6,367.64 = 1,780.35 : x
  2. Step 2: Convert to fraction form
    4,246.80/6,367.64 = 1,780.35/x
  3. Step 3: Cross multiply
    4,246.80x = 6,367.64 × 1,780.35
  4. Step 4: Simplify right side
    4,246.80x = 11,336,618.97
  5. Step 5: Solve for x
    x = 11,336,618.97/4,246.80
  6. Step 6: Final answer
    x = 2,669.45

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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.