Home / 4,920.96-6,788.52-2,930.88

Finding the Fourth Proportional to 4,920.96, 6,788.52 and 2,930.88

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Solution

The fourth proportional to 4,920.96, 6,788.52 and 2,930.88 is: 4,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.96 : 6,788.52 = 2,930.88 : x
  2. Step 2: Convert to fraction form
    4,920.96/6,788.52 = 2,930.88/x
  3. Step 3: Cross multiply
    4,920.96x = 6,788.52 × 2,930.88
  4. Step 4: Simplify right side
    4,920.96x = 19,896,337.50
  5. Step 5: Solve for x
    x = 19,896,337.50/4,920.96
  6. Step 6: Final answer
    x = 4,043.18

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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.