Home / 4,392.39-6,590.34-1,928.64

Finding the Fourth Proportional to 4,392.39, 6,590.34 and 1,928.64

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Solution

The fourth proportional to 4,392.39, 6,590.34 and 1,928.64 is: 2,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.39 : 6,590.34 = 1,928.64 : x
  2. Step 2: Convert to fraction form
    4,392.39/6,590.34 = 1,928.64/x
  3. Step 3: Cross multiply
    4,392.39x = 6,590.34 × 1,928.64
  4. Step 4: Simplify right side
    4,392.39x = 12,710,393.34
  5. Step 5: Solve for x
    x = 12,710,393.34/4,392.39
  6. Step 6: Final answer
    x = 2,893.73

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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.