Home / 4,586.76-6,876.49-1,987.88

Finding the Fourth Proportional to 4,586.76, 6,876.49 and 1,987.88

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Solution

The fourth proportional to 4,586.76, 6,876.49 and 1,987.88 is: 2,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.76 : 6,876.49 = 1,987.88 : x
  2. Step 2: Convert to fraction form
    4,586.76/6,876.49 = 1,987.88/x
  3. Step 3: Cross multiply
    4,586.76x = 6,876.49 × 1,987.88
  4. Step 4: Simplify right side
    4,586.76x = 13,669,636.94
  5. Step 5: Solve for x
    x = 13,669,636.94/4,586.76
  6. Step 6: Final answer
    x = 2,980.24

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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.