Home / 4,392.70-6,588.02-1,271.87

Finding the Fourth Proportional to 4,392.70, 6,588.02 and 1,271.87

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Solution

The fourth proportional to 4,392.70, 6,588.02 and 1,271.87 is: 1,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.70 : 6,588.02 = 1,271.87 : x
  2. Step 2: Convert to fraction form
    4,392.70/6,588.02 = 1,271.87/x
  3. Step 3: Cross multiply
    4,392.70x = 6,588.02 × 1,271.87
  4. Step 4: Simplify right side
    4,392.70x = 8,379,124.65
  5. Step 5: Solve for x
    x = 8,379,124.65/4,392.70
  6. Step 6: Final answer
    x = 1,907.51

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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.