Home / 4,186.61-6,279.71-1,554.63

Finding the Fourth Proportional to 4,186.61, 6,279.71 and 1,554.63

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Solution

The fourth proportional to 4,186.61, 6,279.71 and 1,554.63 is: 2,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.61 : 6,279.71 = 1,554.63 : x
  2. Step 2: Convert to fraction form
    4,186.61/6,279.71 = 1,554.63/x
  3. Step 3: Cross multiply
    4,186.61x = 6,279.71 × 1,554.63
  4. Step 4: Simplify right side
    4,186.61x = 9,762,586.39
  5. Step 5: Solve for x
    x = 9,762,586.39/4,186.61
  6. Step 6: Final answer
    x = 2,331.86

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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.