Home / 6,504.99-8,974.83-3,985.80

Finding the Fourth Proportional to 6,504.99, 8,974.83 and 3,985.80

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Solution

The fourth proportional to 6,504.99, 8,974.83 and 3,985.80 is: 5,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.99 : 8,974.83 = 3,985.80 : x
  2. Step 2: Convert to fraction form
    6,504.99/8,974.83 = 3,985.80/x
  3. Step 3: Cross multiply
    6,504.99x = 8,974.83 × 3,985.80
  4. Step 4: Simplify right side
    6,504.99x = 35,771,877.41
  5. Step 5: Solve for x
    x = 35,771,877.41/6,504.99
  6. Step 6: Final answer
    x = 5,499.14

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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.