Home / 5,807.04-8,711.91-1,911.30

Finding the Fourth Proportional to 5,807.04, 8,711.91 and 1,911.30

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Solution

The fourth proportional to 5,807.04, 8,711.91 and 1,911.30 is: 2,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.04 : 8,711.91 = 1,911.30 : x
  2. Step 2: Convert to fraction form
    5,807.04/8,711.91 = 1,911.30/x
  3. Step 3: Cross multiply
    5,807.04x = 8,711.91 × 1,911.30
  4. Step 4: Simplify right side
    5,807.04x = 16,651,073.58
  5. Step 5: Solve for x
    x = 16,651,073.58/5,807.04
  6. Step 6: Final answer
    x = 2,867.39

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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.