Home / 5,822.04-8,016.90-5,215.20

Finding the Fourth Proportional to 5,822.04, 8,016.90 and 5,215.20

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Solution

The fourth proportional to 5,822.04, 8,016.90 and 5,215.20 is: 7,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,822.04 : 8,016.90 = 5,215.20 : x
  2. Step 2: Convert to fraction form
    5,822.04/8,016.90 = 5,215.20/x
  3. Step 3: Cross multiply
    5,822.04x = 8,016.90 × 5,215.20
  4. Step 4: Simplify right side
    5,822.04x = 41,809,736.88
  5. Step 5: Solve for x
    x = 41,809,736.88/5,822.04
  6. Step 6: Final answer
    x = 7,181.29

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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.