Home / 5,490.20-8,235.84-1,594.64

Finding the Fourth Proportional to 5,490.20, 8,235.84 and 1,594.64

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Solution

The fourth proportional to 5,490.20, 8,235.84 and 1,594.64 is: 2,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.20 : 8,235.84 = 1,594.64 : x
  2. Step 2: Convert to fraction form
    5,490.20/8,235.84 = 1,594.64/x
  3. Step 3: Cross multiply
    5,490.20x = 8,235.84 × 1,594.64
  4. Step 4: Simplify right side
    5,490.20x = 13,133,199.90
  5. Step 5: Solve for x
    x = 13,133,199.90/5,490.20
  6. Step 6: Final answer
    x = 2,392.12

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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.