Home / 4,927.77-6,800.14-2,689.60

Finding the Fourth Proportional to 4,927.77, 6,800.14 and 2,689.60

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Solution

The fourth proportional to 4,927.77, 6,800.14 and 2,689.60 is: 3,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.77 : 6,800.14 = 2,689.60 : x
  2. Step 2: Convert to fraction form
    4,927.77/6,800.14 = 2,689.60/x
  3. Step 3: Cross multiply
    4,927.77x = 6,800.14 × 2,689.60
  4. Step 4: Simplify right side
    4,927.77x = 18,289,609.10
  5. Step 5: Solve for x
    x = 18,289,609.10/4,927.77
  6. Step 6: Final answer
    x = 3,711.54

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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.