Home / 5,810.85-8,713.97-2,111.07

Finding the Fourth Proportional to 5,810.85, 8,713.97 and 2,111.07

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Solution

The fourth proportional to 5,810.85, 8,713.97 and 2,111.07 is: 3,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.85 : 8,713.97 = 2,111.07 : x
  2. Step 2: Convert to fraction form
    5,810.85/8,713.97 = 2,111.07/x
  3. Step 3: Cross multiply
    5,810.85x = 8,713.97 × 2,111.07
  4. Step 4: Simplify right side
    5,810.85x = 18,395,800.65
  5. Step 5: Solve for x
    x = 18,395,800.65/5,810.85
  6. Step 6: Final answer
    x = 3,165.77

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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.