Home / 5,709.07-8,563.61-1,813.38

Finding the Fourth Proportional to 5,709.07, 8,563.61 and 1,813.38

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Solution

The fourth proportional to 5,709.07, 8,563.61 and 1,813.38 is: 2,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.07 : 8,563.61 = 1,813.38 : x
  2. Step 2: Convert to fraction form
    5,709.07/8,563.61 = 1,813.38/x
  3. Step 3: Cross multiply
    5,709.07x = 8,563.61 × 1,813.38
  4. Step 4: Simplify right side
    5,709.07x = 15,529,079.10
  5. Step 5: Solve for x
    x = 15,529,079.10/5,709.07
  6. Step 6: Final answer
    x = 2,720.07

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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.