Home / 4,555.49-6,279.80-2,785.91

Finding the Fourth Proportional to 4,555.49, 6,279.80 and 2,785.91

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Solution

The fourth proportional to 4,555.49, 6,279.80 and 2,785.91 is: 3,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.49 : 6,279.80 = 2,785.91 : x
  2. Step 2: Convert to fraction form
    4,555.49/6,279.80 = 2,785.91/x
  3. Step 3: Cross multiply
    4,555.49x = 6,279.80 × 2,785.91
  4. Step 4: Simplify right side
    4,555.49x = 17,494,912.29
  5. Step 5: Solve for x
    x = 17,494,912.29/4,555.49
  6. Step 6: Final answer
    x = 3,840.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.