Home / 4,953-6,835.20-2,857.56

Finding the Fourth Proportional to 4,953, 6,835.20 and 2,857.56

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Solution

The fourth proportional to 4,953, 6,835.20 and 2,857.56 is: 3,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953 : 6,835.20 = 2,857.56 : x
  2. Step 2: Convert to fraction form
    4,953/6,835.20 = 2,857.56/x
  3. Step 3: Cross multiply
    4,953x = 6,835.20 × 2,857.56
  4. Step 4: Simplify right side
    4,953x = 19,531,994.11
  5. Step 5: Solve for x
    x = 19,531,994.11/4,953
  6. Step 6: Final answer
    x = 3,943.47

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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.