Home / 6,289.23-8,679.91-3,601.45

Finding the Fourth Proportional to 6,289.23, 8,679.91 and 3,601.45

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Solution

The fourth proportional to 6,289.23, 8,679.91 and 3,601.45 is: 4,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.23 : 8,679.91 = 3,601.45 : x
  2. Step 2: Convert to fraction form
    6,289.23/8,679.91 = 3,601.45/x
  3. Step 3: Cross multiply
    6,289.23x = 8,679.91 × 3,601.45
  4. Step 4: Simplify right side
    6,289.23x = 31,260,261.87
  5. Step 5: Solve for x
    x = 31,260,261.87/6,289.23
  6. Step 6: Final answer
    x = 4,970.44

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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.