Home / 4,990.84-6,887.73-2,895.28

Finding the Fourth Proportional to 4,990.84, 6,887.73 and 2,895.28

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Solution

The fourth proportional to 4,990.84, 6,887.73 and 2,895.28 is: 3,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.84 : 6,887.73 = 2,895.28 : x
  2. Step 2: Convert to fraction form
    4,990.84/6,887.73 = 2,895.28/x
  3. Step 3: Cross multiply
    4,990.84x = 6,887.73 × 2,895.28
  4. Step 4: Simplify right side
    4,990.84x = 19,941,906.91
  5. Step 5: Solve for x
    x = 19,941,906.91/4,990.84
  6. Step 6: Final answer
    x = 3,995.70

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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.