Home / 8,908.91-12,294.55-4,930.39

Finding the Fourth Proportional to 8,908.91, 12,294.55 and 4,930.39

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Solution

The fourth proportional to 8,908.91, 12,294.55 and 4,930.39 is: 6,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.91 : 12,294.55 = 4,930.39 : x
  2. Step 2: Convert to fraction form
    8,908.91/12,294.55 = 4,930.39/x
  3. Step 3: Cross multiply
    8,908.91x = 12,294.55 × 4,930.39
  4. Step 4: Simplify right side
    8,908.91x = 60,616,926.37
  5. Step 5: Solve for x
    x = 60,616,926.37/8,908.91
  6. Step 6: Final answer
    x = 6,804.08

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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.