Home / 4,841.72-7,263.80-1,378.97

Finding the Fourth Proportional to 4,841.72, 7,263.80 and 1,378.97

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Solution

The fourth proportional to 4,841.72, 7,263.80 and 1,378.97 is: 2,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,841.72 : 7,263.80 = 1,378.97 : x
  2. Step 2: Convert to fraction form
    4,841.72/7,263.80 = 1,378.97/x
  3. Step 3: Cross multiply
    4,841.72x = 7,263.80 × 1,378.97
  4. Step 4: Simplify right side
    4,841.72x = 10,016,573.55
  5. Step 5: Solve for x
    x = 10,016,573.55/4,841.72
  6. Step 6: Final answer
    x = 2,068.80

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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.