Home / 4,911.59-6,777.78-2,673.47

Finding the Fourth Proportional to 4,911.59, 6,777.78 and 2,673.47

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Solution

The fourth proportional to 4,911.59, 6,777.78 and 2,673.47 is: 3,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.59 : 6,777.78 = 2,673.47 : x
  2. Step 2: Convert to fraction form
    4,911.59/6,777.78 = 2,673.47/x
  3. Step 3: Cross multiply
    4,911.59x = 6,777.78 × 2,673.47
  4. Step 4: Simplify right side
    4,911.59x = 18,120,157.61
  5. Step 5: Solve for x
    x = 18,120,157.61/4,911.59
  6. Step 6: Final answer
    x = 3,689.27

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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.