Home / 4,953.50-6,835.84-2,857.76

Finding the Fourth Proportional to 4,953.50, 6,835.84 and 2,857.76

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Solution

The fourth proportional to 4,953.50, 6,835.84 and 2,857.76 is: 3,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.50 : 6,835.84 = 2,857.76 : x
  2. Step 2: Convert to fraction form
    4,953.50/6,835.84 = 2,857.76/x
  3. Step 3: Cross multiply
    4,953.50x = 6,835.84 × 2,857.76
  4. Step 4: Simplify right side
    4,953.50x = 19,535,190.12
  5. Step 5: Solve for x
    x = 19,535,190.12/4,953.50
  6. Step 6: Final answer
    x = 3,943.71

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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.