Home / 6,945.98-10,424.79-3,000.21

Finding the Fourth Proportional to 6,945.98, 10,424.79 and 3,000.21

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Solution

The fourth proportional to 6,945.98, 10,424.79 and 3,000.21 is: 4,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.98 : 10,424.79 = 3,000.21 : x
  2. Step 2: Convert to fraction form
    6,945.98/10,424.79 = 3,000.21/x
  3. Step 3: Cross multiply
    6,945.98x = 10,424.79 × 3,000.21
  4. Step 4: Simplify right side
    6,945.98x = 31,276,559.21
  5. Step 5: Solve for x
    x = 31,276,559.21/6,945.98
  6. Step 6: Final answer
    x = 4,502.83

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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.