Home / 5,805.29-8,011.47-3,415.44

Finding the Fourth Proportional to 5,805.29, 8,011.47 and 3,415.44

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Solution

The fourth proportional to 5,805.29, 8,011.47 and 3,415.44 is: 4,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.29 : 8,011.47 = 3,415.44 : x
  2. Step 2: Convert to fraction form
    5,805.29/8,011.47 = 3,415.44/x
  3. Step 3: Cross multiply
    5,805.29x = 8,011.47 × 3,415.44
  4. Step 4: Simplify right side
    5,805.29x = 27,362,695.10
  5. Step 5: Solve for x
    x = 27,362,695.10/5,805.29
  6. Step 6: Final answer
    x = 4,713.41

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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.