Home / 4,392.02-6,590.30-1,928.57

Finding the Fourth Proportional to 4,392.02, 6,590.30 and 1,928.57

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Solution

The fourth proportional to 4,392.02, 6,590.30 and 1,928.57 is: 2,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.02 : 6,590.30 = 1,928.57 : x
  2. Step 2: Convert to fraction form
    4,392.02/6,590.30 = 1,928.57/x
  3. Step 3: Cross multiply
    4,392.02x = 6,590.30 × 1,928.57
  4. Step 4: Simplify right side
    4,392.02x = 12,709,812.28
  5. Step 5: Solve for x
    x = 12,709,812.28/4,392.02
  6. Step 6: Final answer
    x = 2,893.85

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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.