Home / 4,379.39-6,045.75-2,787.63

Finding the Fourth Proportional to 4,379.39, 6,045.75 and 2,787.63

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Solution

The fourth proportional to 4,379.39, 6,045.75 and 2,787.63 is: 3,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.39 : 6,045.75 = 2,787.63 : x
  2. Step 2: Convert to fraction form
    4,379.39/6,045.75 = 2,787.63/x
  3. Step 3: Cross multiply
    4,379.39x = 6,045.75 × 2,787.63
  4. Step 4: Simplify right side
    4,379.39x = 16,853,314.07
  5. Step 5: Solve for x
    x = 16,853,314.07/4,379.39
  6. Step 6: Final answer
    x = 3,848.33

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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.