Home / 5,361.31-8,032.74-4,190.86

Finding the Fourth Proportional to 5,361.31, 8,032.74 and 4,190.86

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Solution

The fourth proportional to 5,361.31, 8,032.74 and 4,190.86 is: 6,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.31 : 8,032.74 = 4,190.86 : x
  2. Step 2: Convert to fraction form
    5,361.31/8,032.74 = 4,190.86/x
  3. Step 3: Cross multiply
    5,361.31x = 8,032.74 × 4,190.86
  4. Step 4: Simplify right side
    5,361.31x = 33,664,088.76
  5. Step 5: Solve for x
    x = 33,664,088.76/5,361.31
  6. Step 6: Final answer
    x = 6,279.08

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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.