Home / 6,444.99-9,666.78-3,148.09

Finding the Fourth Proportional to 6,444.99, 9,666.78 and 3,148.09

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Solution

The fourth proportional to 6,444.99, 9,666.78 and 3,148.09 is: 4,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.99 : 9,666.78 = 3,148.09 : x
  2. Step 2: Convert to fraction form
    6,444.99/9,666.78 = 3,148.09/x
  3. Step 3: Cross multiply
    6,444.99x = 9,666.78 × 3,148.09
  4. Step 4: Simplify right side
    6,444.99x = 30,431,857.48
  5. Step 5: Solve for x
    x = 30,431,857.48/6,444.99
  6. Step 6: Final answer
    x = 4,721.79

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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.