Home / 5,813.63-8,022.21-3,455.32

Finding the Fourth Proportional to 5,813.63, 8,022.21 and 3,455.32

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Solution

The fourth proportional to 5,813.63, 8,022.21 and 3,455.32 is: 4,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.63 : 8,022.21 = 3,455.32 : x
  2. Step 2: Convert to fraction form
    5,813.63/8,022.21 = 3,455.32/x
  3. Step 3: Cross multiply
    5,813.63x = 8,022.21 × 3,455.32
  4. Step 4: Simplify right side
    5,813.63x = 27,719,302.66
  5. Step 5: Solve for x
    x = 27,719,302.66/5,813.63
  6. Step 6: Final answer
    x = 4,767.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.