Home / 5,813.55-8,720.42-1,653.57

Finding the Fourth Proportional to 5,813.55, 8,720.42 and 1,653.57

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Solution

The fourth proportional to 5,813.55, 8,720.42 and 1,653.57 is: 2,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.55 : 8,720.42 = 1,653.57 : x
  2. Step 2: Convert to fraction form
    5,813.55/8,720.42 = 1,653.57/x
  3. Step 3: Cross multiply
    5,813.55x = 8,720.42 × 1,653.57
  4. Step 4: Simplify right side
    5,813.55x = 14,419,824.90
  5. Step 5: Solve for x
    x = 14,419,824.90/5,813.55
  6. Step 6: Final answer
    x = 2,480.38

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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.