Home / 4,790.89-7,186.68-1,670.51

Finding the Fourth Proportional to 4,790.89, 7,186.68 and 1,670.51

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Solution

The fourth proportional to 4,790.89, 7,186.68 and 1,670.51 is: 2,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.89 : 7,186.68 = 1,670.51 : x
  2. Step 2: Convert to fraction form
    4,790.89/7,186.68 = 1,670.51/x
  3. Step 3: Cross multiply
    4,790.89x = 7,186.68 × 1,670.51
  4. Step 4: Simplify right side
    4,790.89x = 12,005,384.87
  5. Step 5: Solve for x
    x = 12,005,384.87/4,790.89
  6. Step 6: Final answer
    x = 2,505.88

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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.