Home / 4,911.30-6,777.60-2,673.21

Finding the Fourth Proportional to 4,911.30, 6,777.60 and 2,673.21

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Solution

The fourth proportional to 4,911.30, 6,777.60 and 2,673.21 is: 3,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.30 : 6,777.60 = 2,673.21 : x
  2. Step 2: Convert to fraction form
    4,911.30/6,777.60 = 2,673.21/x
  3. Step 3: Cross multiply
    4,911.30x = 6,777.60 × 2,673.21
  4. Step 4: Simplify right side
    4,911.30x = 18,117,948.10
  5. Step 5: Solve for x
    x = 18,117,948.10/4,911.30
  6. Step 6: Final answer
    x = 3,689.03

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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.