Home / 4,848.64-6,689.39-3,171.02

Finding the Fourth Proportional to 4,848.64, 6,689.39 and 3,171.02

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Solution

The fourth proportional to 4,848.64, 6,689.39 and 3,171.02 is: 4,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,848.64 : 6,689.39 = 3,171.02 : x
  2. Step 2: Convert to fraction form
    4,848.64/6,689.39 = 3,171.02/x
  3. Step 3: Cross multiply
    4,848.64x = 6,689.39 × 3,171.02
  4. Step 4: Simplify right side
    4,848.64x = 21,212,140.18
  5. Step 5: Solve for x
    x = 21,212,140.18/4,848.64
  6. Step 6: Final answer
    x = 4,374.86

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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.