Home / 4,911.39-6,777.75-2,673.28

Finding the Fourth Proportional to 4,911.39, 6,777.75 and 2,673.28

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Solution

The fourth proportional to 4,911.39, 6,777.75 and 2,673.28 is: 3,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.39 : 6,777.75 = 2,673.28 : x
  2. Step 2: Convert to fraction form
    4,911.39/6,777.75 = 2,673.28/x
  3. Step 3: Cross multiply
    4,911.39x = 6,777.75 × 2,673.28
  4. Step 4: Simplify right side
    4,911.39x = 18,118,823.52
  5. Step 5: Solve for x
    x = 18,118,823.52/4,911.39
  6. Step 6: Final answer
    x = 3,689.14

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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.