Home / 6,289.52-8,679.62-3,601.29

Finding the Fourth Proportional to 6,289.52, 8,679.62 and 3,601.29

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Solution

The fourth proportional to 6,289.52, 8,679.62 and 3,601.29 is: 4,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.52 : 8,679.62 = 3,601.29 : x
  2. Step 2: Convert to fraction form
    6,289.52/8,679.62 = 3,601.29/x
  3. Step 3: Cross multiply
    6,289.52x = 8,679.62 × 3,601.29
  4. Step 4: Simplify right side
    6,289.52x = 31,257,870.26
  5. Step 5: Solve for x
    x = 31,257,870.26/6,289.52
  6. Step 6: Final answer
    x = 4,969.84

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1.5x scale

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.