Home / 6,416.09-9,623.50-3,131.45

Finding the Fourth Proportional to 6,416.09, 9,623.50 and 3,131.45

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Solution

The fourth proportional to 6,416.09, 9,623.50 and 3,131.45 is: 4,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,416.09 : 9,623.50 = 3,131.45 : x
  2. Step 2: Convert to fraction form
    6,416.09/9,623.50 = 3,131.45/x
  3. Step 3: Cross multiply
    6,416.09x = 9,623.50 × 3,131.45
  4. Step 4: Simplify right side
    6,416.09x = 30,135,509.08
  5. Step 5: Solve for x
    x = 30,135,509.08/6,416.09
  6. Step 6: Final answer
    x = 4,696.87

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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.