Home / 6,386.45-8,810.44-3,732.68

Finding the Fourth Proportional to 6,386.45, 8,810.44 and 3,732.68

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Solution

The fourth proportional to 6,386.45, 8,810.44 and 3,732.68 is: 5,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.45 : 8,810.44 = 3,732.68 : x
  2. Step 2: Convert to fraction form
    6,386.45/8,810.44 = 3,732.68/x
  3. Step 3: Cross multiply
    6,386.45x = 8,810.44 × 3,732.68
  4. Step 4: Simplify right side
    6,386.45x = 32,886,565.87
  5. Step 5: Solve for x
    x = 32,886,565.87/6,386.45
  6. Step 6: Final answer
    x = 5,149.43

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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.