Home / 4,857.10-6,702.60-2,868.30

Finding the Fourth Proportional to 4,857.10, 6,702.60 and 2,868.30

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Solution

The fourth proportional to 4,857.10, 6,702.60 and 2,868.30 is: 3,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.10 : 6,702.60 = 2,868.30 : x
  2. Step 2: Convert to fraction form
    4,857.10/6,702.60 = 2,868.30/x
  3. Step 3: Cross multiply
    4,857.10x = 6,702.60 × 2,868.30
  4. Step 4: Simplify right side
    4,857.10x = 19,225,067.58
  5. Step 5: Solve for x
    x = 19,225,067.58/4,857.10
  6. Step 6: Final answer
    x = 3,958.14

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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.