Home / 4,124.90-6,186.54-2,391.50

Finding the Fourth Proportional to 4,124.90, 6,186.54 and 2,391.50

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Solution

The fourth proportional to 4,124.90, 6,186.54 and 2,391.50 is: 3,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.90 : 6,186.54 = 2,391.50 : x
  2. Step 2: Convert to fraction form
    4,124.90/6,186.54 = 2,391.50/x
  3. Step 3: Cross multiply
    4,124.90x = 6,186.54 × 2,391.50
  4. Step 4: Simplify right side
    4,124.90x = 14,795,110.41
  5. Step 5: Solve for x
    x = 14,795,110.41/4,124.90
  6. Step 6: Final answer
    x = 3,586.78

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1.5x scale

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.