Home / 7,850.06-10,830.30-4,490.42

Finding the Fourth Proportional to 7,850.06, 10,830.30 and 4,490.42

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Solution

The fourth proportional to 7,850.06, 10,830.30 and 4,490.42 is: 6,195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.06 : 10,830.30 = 4,490.42 : x
  2. Step 2: Convert to fraction form
    7,850.06/10,830.30 = 4,490.42/x
  3. Step 3: Cross multiply
    7,850.06x = 10,830.30 × 4,490.42
  4. Step 4: Simplify right side
    7,850.06x = 48,632,595.73
  5. Step 5: Solve for x
    x = 48,632,595.73/7,850.06
  6. Step 6: Final answer
    x = 6,195.19

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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.