Home / 6,861.02-10,289.40-2,477.90

Finding the Fourth Proportional to 6,861.02, 10,289.40 and 2,477.90

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Solution

The fourth proportional to 6,861.02, 10,289.40 and 2,477.90 is: 3,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.02 : 10,289.40 = 2,477.90 : x
  2. Step 2: Convert to fraction form
    6,861.02/10,289.40 = 2,477.90/x
  3. Step 3: Cross multiply
    6,861.02x = 10,289.40 × 2,477.90
  4. Step 4: Simplify right side
    6,861.02x = 25,496,104.26
  5. Step 5: Solve for x
    x = 25,496,104.26/6,861.02
  6. Step 6: Final answer
    x = 3,716.08

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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.