Home / 4,279.77-5,901.33-2,785.32

Finding the Fourth Proportional to 4,279.77, 5,901.33 and 2,785.32

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Solution

The fourth proportional to 4,279.77, 5,901.33 and 2,785.32 is: 3,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.77 : 5,901.33 = 2,785.32 : x
  2. Step 2: Convert to fraction form
    4,279.77/5,901.33 = 2,785.32/x
  3. Step 3: Cross multiply
    4,279.77x = 5,901.33 × 2,785.32
  4. Step 4: Simplify right side
    4,279.77x = 16,437,092.48
  5. Step 5: Solve for x
    x = 16,437,092.48/4,279.77
  6. Step 6: Final answer
    x = 3,840.65

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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.