Home / 5,369.19-8,051.80-1,858.30

Finding the Fourth Proportional to 5,369.19, 8,051.80 and 1,858.30

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Solution

The fourth proportional to 5,369.19, 8,051.80 and 1,858.30 is: 2,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.19 : 8,051.80 = 1,858.30 : x
  2. Step 2: Convert to fraction form
    5,369.19/8,051.80 = 1,858.30/x
  3. Step 3: Cross multiply
    5,369.19x = 8,051.80 × 1,858.30
  4. Step 4: Simplify right side
    5,369.19x = 14,962,659.94
  5. Step 5: Solve for x
    x = 14,962,659.94/5,369.19
  6. Step 6: Final answer
    x = 2,786.76

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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.