Home / 4,911.56-6,778.02-2,673.50

Finding the Fourth Proportional to 4,911.56, 6,778.02 and 2,673.50

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Solution

The fourth proportional to 4,911.56, 6,778.02 and 2,673.50 is: 3,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.56 : 6,778.02 = 2,673.50 : x
  2. Step 2: Convert to fraction form
    4,911.56/6,778.02 = 2,673.50/x
  3. Step 3: Cross multiply
    4,911.56x = 6,778.02 × 2,673.50
  4. Step 4: Simplify right side
    4,911.56x = 18,121,062.28
  5. Step 5: Solve for x
    x = 18,121,062.28/4,911.56
  6. Step 6: Final answer
    x = 3,689.47

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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.