Home / 8,930.07-13,377.69-4,768.65

Finding the Fourth Proportional to 8,930.07, 13,377.69 and 4,768.65

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Solution

The fourth proportional to 8,930.07, 13,377.69 and 4,768.65 is: 7,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.07 : 13,377.69 = 4,768.65 : x
  2. Step 2: Convert to fraction form
    8,930.07/13,377.69 = 4,768.65/x
  3. Step 3: Cross multiply
    8,930.07x = 13,377.69 × 4,768.65
  4. Step 4: Simplify right side
    8,930.07x = 63,793,521.42
  5. Step 5: Solve for x
    x = 63,793,521.42/8,930.07
  6. Step 6: Final answer
    x = 7,143.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.