Home / 5,364.60-8,038.80-3,631.20

Finding the Fourth Proportional to 5,364.60, 8,038.80 and 3,631.20

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Solution

The fourth proportional to 5,364.60, 8,038.80 and 3,631.20 is: 5,441.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.60 : 8,038.80 = 3,631.20 : x
  2. Step 2: Convert to fraction form
    5,364.60/8,038.80 = 3,631.20/x
  3. Step 3: Cross multiply
    5,364.60x = 8,038.80 × 3,631.20
  4. Step 4: Simplify right side
    5,364.60x = 29,190,490.56
  5. Step 5: Solve for x
    x = 29,190,490.56/5,364.60
  6. Step 6: Final answer
    x = 5,441.32

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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.