Home / 4,586.60-6,877.46-1,986.50

Finding the Fourth Proportional to 4,586.60, 6,877.46 and 1,986.50

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Solution

The fourth proportional to 4,586.60, 6,877.46 and 1,986.50 is: 2,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.60 : 6,877.46 = 1,986.50 : x
  2. Step 2: Convert to fraction form
    4,586.60/6,877.46 = 1,986.50/x
  3. Step 3: Cross multiply
    4,586.60x = 6,877.46 × 1,986.50
  4. Step 4: Simplify right side
    4,586.60x = 13,662,074.29
  5. Step 5: Solve for x
    x = 13,662,074.29/4,586.60
  6. Step 6: Final answer
    x = 2,978.69

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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.