Home / 4,928.19-6,800.86-2,690.09

Finding the Fourth Proportional to 4,928.19, 6,800.86 and 2,690.09

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Solution

The fourth proportional to 4,928.19, 6,800.86 and 2,690.09 is: 3,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.19 : 6,800.86 = 2,690.09 : x
  2. Step 2: Convert to fraction form
    4,928.19/6,800.86 = 2,690.09/x
  3. Step 3: Cross multiply
    4,928.19x = 6,800.86 × 2,690.09
  4. Step 4: Simplify right side
    4,928.19x = 18,294,925.48
  5. Step 5: Solve for x
    x = 18,294,925.48/4,928.19
  6. Step 6: Final answer
    x = 3,712.30

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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.