Home / 7,669.10-11,506.08-2,738.63

Finding the Fourth Proportional to 7,669.10, 11,506.08 and 2,738.63

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Solution

The fourth proportional to 7,669.10, 11,506.08 and 2,738.63 is: 4,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.10 : 11,506.08 = 2,738.63 : x
  2. Step 2: Convert to fraction form
    7,669.10/11,506.08 = 2,738.63/x
  3. Step 3: Cross multiply
    7,669.10x = 11,506.08 × 2,738.63
  4. Step 4: Simplify right side
    7,669.10x = 31,510,895.87
  5. Step 5: Solve for x
    x = 31,510,895.87/7,669.10
  6. Step 6: Final answer
    x = 4,108.81

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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.