Home / 4,919.16-6,787.08-2,930.07

Finding the Fourth Proportional to 4,919.16, 6,787.08 and 2,930.07

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Solution

The fourth proportional to 4,919.16, 6,787.08 and 2,930.07 is: 4,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.16 : 6,787.08 = 2,930.07 : x
  2. Step 2: Convert to fraction form
    4,919.16/6,787.08 = 2,930.07/x
  3. Step 3: Cross multiply
    4,919.16x = 6,787.08 × 2,930.07
  4. Step 4: Simplify right side
    4,919.16x = 19,886,619.50
  5. Step 5: Solve for x
    x = 19,886,619.50/4,919.16
  6. Step 6: Final answer
    x = 4,042.69

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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.