Home / 4,946.74-6,827.15-2,821.79

Finding the Fourth Proportional to 4,946.74, 6,827.15 and 2,821.79

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Solution

The fourth proportional to 4,946.74, 6,827.15 and 2,821.79 is: 3,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.74 : 6,827.15 = 2,821.79 : x
  2. Step 2: Convert to fraction form
    4,946.74/6,827.15 = 2,821.79/x
  3. Step 3: Cross multiply
    4,946.74x = 6,827.15 × 2,821.79
  4. Step 4: Simplify right side
    4,946.74x = 19,264,749.46
  5. Step 5: Solve for x
    x = 19,264,749.46/4,946.74
  6. Step 6: Final answer
    x = 3,894.43

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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.