Home / 4,928.77-6,801.52-2,690.60

Finding the Fourth Proportional to 4,928.77, 6,801.52 and 2,690.60

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Solution

The fourth proportional to 4,928.77, 6,801.52 and 2,690.60 is: 3,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.77 : 6,801.52 = 2,690.60 : x
  2. Step 2: Convert to fraction form
    4,928.77/6,801.52 = 2,690.60/x
  3. Step 3: Cross multiply
    4,928.77x = 6,801.52 × 2,690.60
  4. Step 4: Simplify right side
    4,928.77x = 18,300,122.25
  5. Step 5: Solve for x
    x = 18,300,122.25/4,928.77
  6. Step 6: Final answer
    x = 3,712.92

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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.