Home / 6,078.20-9,117.30-4,838.90

Finding the Fourth Proportional to 6,078.20, 9,117.30 and 4,838.90

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Solution

The fourth proportional to 6,078.20, 9,117.30 and 4,838.90 is: 7,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.20 : 9,117.30 = 4,838.90 : x
  2. Step 2: Convert to fraction form
    6,078.20/9,117.30 = 4,838.90/x
  3. Step 3: Cross multiply
    6,078.20x = 9,117.30 × 4,838.90
  4. Step 4: Simplify right side
    6,078.20x = 44,117,702.97
  5. Step 5: Solve for x
    x = 44,117,702.97/6,078.20
  6. Step 6: Final answer
    x = 7,258.35

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Double scale
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Similar ratio
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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.