Home / 5,236.79-7,857.87-2,896.35

Finding the Fourth Proportional to 5,236.79, 7,857.87 and 2,896.35

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Solution

The fourth proportional to 5,236.79, 7,857.87 and 2,896.35 is: 4,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.79 : 7,857.87 = 2,896.35 : x
  2. Step 2: Convert to fraction form
    5,236.79/7,857.87 = 2,896.35/x
  3. Step 3: Cross multiply
    5,236.79x = 7,857.87 × 2,896.35
  4. Step 4: Simplify right side
    5,236.79x = 22,759,141.77
  5. Step 5: Solve for x
    x = 22,759,141.77/5,236.79
  6. Step 6: Final answer
    x = 4,346.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.