Home / 4,949.79-6,830.55-2,711.58

Finding the Fourth Proportional to 4,949.79, 6,830.55 and 2,711.58

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Solution

The fourth proportional to 4,949.79, 6,830.55 and 2,711.58 is: 3,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.79 : 6,830.55 = 2,711.58 : x
  2. Step 2: Convert to fraction form
    4,949.79/6,830.55 = 2,711.58/x
  3. Step 3: Cross multiply
    4,949.79x = 6,830.55 × 2,711.58
  4. Step 4: Simplify right side
    4,949.79x = 18,521,582.77
  5. Step 5: Solve for x
    x = 18,521,582.77/4,949.79
  6. Step 6: Final answer
    x = 3,741.89

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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.