Home / 5,704.10-8,555.29-1,808

Finding the Fourth Proportional to 5,704.10, 8,555.29 and 1,808

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Solution

The fourth proportional to 5,704.10, 8,555.29 and 1,808 is: 2,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.10 : 8,555.29 = 1,808 : x
  2. Step 2: Convert to fraction form
    5,704.10/8,555.29 = 1,808/x
  3. Step 3: Cross multiply
    5,704.10x = 8,555.29 × 1,808
  4. Step 4: Simplify right side
    5,704.10x = 15,467,964.32
  5. Step 5: Solve for x
    x = 15,467,964.32/5,704.10
  6. Step 6: Final answer
    x = 2,711.73

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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.