Home / 4,235.40-6,354.30-1,771.32

Finding the Fourth Proportional to 4,235.40, 6,354.30 and 1,771.32

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Solution

The fourth proportional to 4,235.40, 6,354.30 and 1,771.32 is: 2,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,235.40 : 6,354.30 = 1,771.32 : x
  2. Step 2: Convert to fraction form
    4,235.40/6,354.30 = 1,771.32/x
  3. Step 3: Cross multiply
    4,235.40x = 6,354.30 × 1,771.32
  4. Step 4: Simplify right side
    4,235.40x = 11,255,498.68
  5. Step 5: Solve for x
    x = 11,255,498.68/4,235.40
  6. Step 6: Final answer
    x = 2,657.48

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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.