Home / 4,928.30-6,801.06-2,690.20

Finding the Fourth Proportional to 4,928.30, 6,801.06 and 2,690.20

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Solution

The fourth proportional to 4,928.30, 6,801.06 and 2,690.20 is: 3,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.30 : 6,801.06 = 2,690.20 : x
  2. Step 2: Convert to fraction form
    4,928.30/6,801.06 = 2,690.20/x
  3. Step 3: Cross multiply
    4,928.30x = 6,801.06 × 2,690.20
  4. Step 4: Simplify right side
    4,928.30x = 18,296,211.61
  5. Step 5: Solve for x
    x = 18,296,211.61/4,928.30
  6. Step 6: Final answer
    x = 3,712.48

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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.