Home / 7,719.66-11,546.10-4,549.56

Finding the Fourth Proportional to 7,719.66, 11,546.10 and 4,549.56

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Solution

The fourth proportional to 7,719.66, 11,546.10 and 4,549.56 is: 6,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.66 : 11,546.10 = 4,549.56 : x
  2. Step 2: Convert to fraction form
    7,719.66/11,546.10 = 4,549.56/x
  3. Step 3: Cross multiply
    7,719.66x = 11,546.10 × 4,549.56
  4. Step 4: Simplify right side
    7,719.66x = 52,529,674.72
  5. Step 5: Solve for x
    x = 52,529,674.72/7,719.66
  6. Step 6: Final answer
    x = 6,804.66

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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.