Home / 8,623.96-12,938.32-3,433.48

Finding the Fourth Proportional to 8,623.96, 12,938.32 and 3,433.48

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Solution

The fourth proportional to 8,623.96, 12,938.32 and 3,433.48 is: 5,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.96 : 12,938.32 = 3,433.48 : x
  2. Step 2: Convert to fraction form
    8,623.96/12,938.32 = 3,433.48/x
  3. Step 3: Cross multiply
    8,623.96x = 12,938.32 × 3,433.48
  4. Step 4: Simplify right side
    8,623.96x = 44,423,462.95
  5. Step 5: Solve for x
    x = 44,423,462.95/8,623.96
  6. Step 6: Final answer
    x = 5,151.17

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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.