Home / 7,848.50-10,830.68-4,311.48

Finding the Fourth Proportional to 7,848.50, 10,830.68 and 4,311.48

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Solution

The fourth proportional to 7,848.50, 10,830.68 and 4,311.48 is: 5,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.50 : 10,830.68 = 4,311.48 : x
  2. Step 2: Convert to fraction form
    7,848.50/10,830.68 = 4,311.48/x
  3. Step 3: Cross multiply
    7,848.50x = 10,830.68 × 4,311.48
  4. Step 4: Simplify right side
    7,848.50x = 46,696,238.65
  5. Step 5: Solve for x
    x = 46,696,238.65/7,848.50
  6. Step 6: Final answer
    x = 5,949.71

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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.