Home / 5,481.61-8,223.63-2,558.32

Finding the Fourth Proportional to 5,481.61, 8,223.63 and 2,558.32

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Solution

The fourth proportional to 5,481.61, 8,223.63 and 2,558.32 is: 3,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.61 : 8,223.63 = 2,558.32 : x
  2. Step 2: Convert to fraction form
    5,481.61/8,223.63 = 2,558.32/x
  3. Step 3: Cross multiply
    5,481.61x = 8,223.63 × 2,558.32
  4. Step 4: Simplify right side
    5,481.61x = 21,038,677.10
  5. Step 5: Solve for x
    x = 21,038,677.10/5,481.61
  6. Step 6: Final answer
    x = 3,838.05

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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.