Home / 5,394.22-8,092.72-2,928.40

Finding the Fourth Proportional to 5,394.22, 8,092.72 and 2,928.40

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Solution

The fourth proportional to 5,394.22, 8,092.72 and 2,928.40 is: 4,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.22 : 8,092.72 = 2,928.40 : x
  2. Step 2: Convert to fraction form
    5,394.22/8,092.72 = 2,928.40/x
  3. Step 3: Cross multiply
    5,394.22x = 8,092.72 × 2,928.40
  4. Step 4: Simplify right side
    5,394.22x = 23,698,721.25
  5. Step 5: Solve for x
    x = 23,698,721.25/5,394.22
  6. Step 6: Final answer
    x = 4,393.35

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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.