Home / 4,928.64-6,801.65-2,690.72

Finding the Fourth Proportional to 4,928.64, 6,801.65 and 2,690.72

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Solution

The fourth proportional to 4,928.64, 6,801.65 and 2,690.72 is: 3,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.64 : 6,801.65 = 2,690.72 : x
  2. Step 2: Convert to fraction form
    4,928.64/6,801.65 = 2,690.72/x
  3. Step 3: Cross multiply
    4,928.64x = 6,801.65 × 2,690.72
  4. Step 4: Simplify right side
    4,928.64x = 18,301,335.69
  5. Step 5: Solve for x
    x = 18,301,335.69/4,928.64
  6. Step 6: Final answer
    x = 3,713.26

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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.