Home / 6,288.38-8,683.80-4,055.48

Finding the Fourth Proportional to 6,288.38, 8,683.80 and 4,055.48

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Solution

The fourth proportional to 6,288.38, 8,683.80 and 4,055.48 is: 5,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.38 : 8,683.80 = 4,055.48 : x
  2. Step 2: Convert to fraction form
    6,288.38/8,683.80 = 4,055.48/x
  3. Step 3: Cross multiply
    6,288.38x = 8,683.80 × 4,055.48
  4. Step 4: Simplify right side
    6,288.38x = 35,216,977.22
  5. Step 5: Solve for x
    x = 35,216,977.22/6,288.38
  6. Step 6: Final answer
    x = 5,600.33

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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.