Home / 6,293.01-8,683.68-3,639.90

Finding the Fourth Proportional to 6,293.01, 8,683.68 and 3,639.90

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Solution

The fourth proportional to 6,293.01, 8,683.68 and 3,639.90 is: 5,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.01 : 8,683.68 = 3,639.90 : x
  2. Step 2: Convert to fraction form
    6,293.01/8,683.68 = 3,639.90/x
  3. Step 3: Cross multiply
    6,293.01x = 8,683.68 × 3,639.90
  4. Step 4: Simplify right side
    6,293.01x = 31,607,726.83
  5. Step 5: Solve for x
    x = 31,607,726.83/6,293.01
  6. Step 6: Final answer
    x = 5,022.67

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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.