Home / 8,369.23-12,540.52-4,420.34

Finding the Fourth Proportional to 8,369.23, 12,540.52 and 4,420.34

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Solution

The fourth proportional to 8,369.23, 12,540.52 and 4,420.34 is: 6,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.23 : 12,540.52 = 4,420.34 : x
  2. Step 2: Convert to fraction form
    8,369.23/12,540.52 = 4,420.34/x
  3. Step 3: Cross multiply
    8,369.23x = 12,540.52 × 4,420.34
  4. Step 4: Simplify right side
    8,369.23x = 55,433,362.18
  5. Step 5: Solve for x
    x = 55,433,362.18/8,369.23
  6. Step 6: Final answer
    x = 6,623.47

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1.5x scale

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.