Home / 6,885.77-10,297.13-5,131.99

Finding the Fourth Proportional to 6,885.77, 10,297.13 and 5,131.99

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Solution

The fourth proportional to 6,885.77, 10,297.13 and 5,131.99 is: 7,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885.77 : 10,297.13 = 5,131.99 : x
  2. Step 2: Convert to fraction form
    6,885.77/10,297.13 = 5,131.99/x
  3. Step 3: Cross multiply
    6,885.77x = 10,297.13 × 5,131.99
  4. Step 4: Simplify right side
    6,885.77x = 52,844,755.40
  5. Step 5: Solve for x
    x = 52,844,755.40/6,885.77
  6. Step 6: Final answer
    x = 7,674.49

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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.