Home / 6,140.77-8,474.40-3,623.49

Finding the Fourth Proportional to 6,140.77, 8,474.40 and 3,623.49

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Solution

The fourth proportional to 6,140.77, 8,474.40 and 3,623.49 is: 5,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.77 : 8,474.40 = 3,623.49 : x
  2. Step 2: Convert to fraction form
    6,140.77/8,474.40 = 3,623.49/x
  3. Step 3: Cross multiply
    6,140.77x = 8,474.40 × 3,623.49
  4. Step 4: Simplify right side
    6,140.77x = 30,706,903.66
  5. Step 5: Solve for x
    x = 30,706,903.66/6,140.77
  6. Step 6: Final answer
    x = 5,000.50

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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.