Home / 4,920.04-6,789.66-2,930.66

Finding the Fourth Proportional to 4,920.04, 6,789.66 and 2,930.66

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Solution

The fourth proportional to 4,920.04, 6,789.66 and 2,930.66 is: 4,044.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.04 : 6,789.66 = 2,930.66 : x
  2. Step 2: Convert to fraction form
    4,920.04/6,789.66 = 2,930.66/x
  3. Step 3: Cross multiply
    4,920.04x = 6,789.66 × 2,930.66
  4. Step 4: Simplify right side
    4,920.04x = 19,898,184.98
  5. Step 5: Solve for x
    x = 19,898,184.98/4,920.04
  6. Step 6: Final answer
    x = 4,044.31

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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.