Home / 5,807.37-8,711.79-2,111.34

Finding the Fourth Proportional to 5,807.37, 8,711.79 and 2,111.34

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Solution

The fourth proportional to 5,807.37, 8,711.79 and 2,111.34 is: 3,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.37 : 8,711.79 = 2,111.34 : x
  2. Step 2: Convert to fraction form
    5,807.37/8,711.79 = 2,111.34/x
  3. Step 3: Cross multiply
    5,807.37x = 8,711.79 × 2,111.34
  4. Step 4: Simplify right side
    5,807.37x = 18,393,550.70
  5. Step 5: Solve for x
    x = 18,393,550.70/5,807.37
  6. Step 6: Final answer
    x = 3,167.28

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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.