Home / 4,845.64-6,687.94-2,856.10

Finding the Fourth Proportional to 4,845.64, 6,687.94 and 2,856.10

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Solution

The fourth proportional to 4,845.64, 6,687.94 and 2,856.10 is: 3,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.64 : 6,687.94 = 2,856.10 : x
  2. Step 2: Convert to fraction form
    4,845.64/6,687.94 = 2,856.10/x
  3. Step 3: Cross multiply
    4,845.64x = 6,687.94 × 2,856.10
  4. Step 4: Simplify right side
    4,845.64x = 19,101,425.43
  5. Step 5: Solve for x
    x = 19,101,425.43/4,845.64
  6. Step 6: Final answer
    x = 3,941.98

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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.