Home / 5,384.04-8,076.06-1,686.56

Finding the Fourth Proportional to 5,384.04, 8,076.06 and 1,686.56

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Solution

The fourth proportional to 5,384.04, 8,076.06 and 1,686.56 is: 2,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.04 : 8,076.06 = 1,686.56 : x
  2. Step 2: Convert to fraction form
    5,384.04/8,076.06 = 1,686.56/x
  3. Step 3: Cross multiply
    5,384.04x = 8,076.06 × 1,686.56
  4. Step 4: Simplify right side
    5,384.04x = 13,620,719.37
  5. Step 5: Solve for x
    x = 13,620,719.37/5,384.04
  6. Step 6: Final answer
    x = 2,529.83

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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.