Home / 5,636.19-7,777.83-3,118.41

Finding the Fourth Proportional to 5,636.19, 7,777.83 and 3,118.41

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Solution

The fourth proportional to 5,636.19, 7,777.83 and 3,118.41 is: 4,303.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.19 : 7,777.83 = 3,118.41 : x
  2. Step 2: Convert to fraction form
    5,636.19/7,777.83 = 3,118.41/x
  3. Step 3: Cross multiply
    5,636.19x = 7,777.83 × 3,118.41
  4. Step 4: Simplify right side
    5,636.19x = 24,254,474.54
  5. Step 5: Solve for x
    x = 24,254,474.54/5,636.19
  6. Step 6: Final answer
    x = 4,303.34

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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.