Home / 5,403.16-8,089.32-3,923.68

Finding the Fourth Proportional to 5,403.16, 8,089.32 and 3,923.68

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Solution

The fourth proportional to 5,403.16, 8,089.32 and 3,923.68 is: 5,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.16 : 8,089.32 = 3,923.68 : x
  2. Step 2: Convert to fraction form
    5,403.16/8,089.32 = 3,923.68/x
  3. Step 3: Cross multiply
    5,403.16x = 8,089.32 × 3,923.68
  4. Step 4: Simplify right side
    5,403.16x = 31,739,903.10
  5. Step 5: Solve for x
    x = 31,739,903.10/5,403.16
  6. Step 6: Final answer
    x = 5,874.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.