Home / 4,908.90-6,773.58-2,812.98

Finding the Fourth Proportional to 4,908.90, 6,773.58 and 2,812.98

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Solution

The fourth proportional to 4,908.90, 6,773.58 and 2,812.98 is: 3,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.90 : 6,773.58 = 2,812.98 : x
  2. Step 2: Convert to fraction form
    4,908.90/6,773.58 = 2,812.98/x
  3. Step 3: Cross multiply
    4,908.90x = 6,773.58 × 2,812.98
  4. Step 4: Simplify right side
    4,908.90x = 19,053,945.07
  5. Step 5: Solve for x
    x = 19,053,945.07/4,908.90
  6. Step 6: Final answer
    x = 3,881.51

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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.