Home / 4,931.75-6,805.78-2,693.63

Finding the Fourth Proportional to 4,931.75, 6,805.78 and 2,693.63

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Solution

The fourth proportional to 4,931.75, 6,805.78 and 2,693.63 is: 3,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.75 : 6,805.78 = 2,693.63 : x
  2. Step 2: Convert to fraction form
    4,931.75/6,805.78 = 2,693.63/x
  3. Step 3: Cross multiply
    4,931.75x = 6,805.78 × 2,693.63
  4. Step 4: Simplify right side
    4,931.75x = 18,332,212.42
  5. Step 5: Solve for x
    x = 18,332,212.42/4,931.75
  6. Step 6: Final answer
    x = 3,717.18

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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.