Home / 5,244.61-7,863.52-2,780.59

Finding the Fourth Proportional to 5,244.61, 7,863.52 and 2,780.59

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Solution

The fourth proportional to 5,244.61, 7,863.52 and 2,780.59 is: 4,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.61 : 7,863.52 = 2,780.59 : x
  2. Step 2: Convert to fraction form
    5,244.61/7,863.52 = 2,780.59/x
  3. Step 3: Cross multiply
    5,244.61x = 7,863.52 × 2,780.59
  4. Step 4: Simplify right side
    5,244.61x = 21,865,225.08
  5. Step 5: Solve for x
    x = 21,865,225.08/5,244.61
  6. Step 6: Final answer
    x = 4,169.09

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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.