Home / 4,586.40-6,884.88-2,856

Finding the Fourth Proportional to 4,586.40, 6,884.88 and 2,856

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Solution

The fourth proportional to 4,586.40, 6,884.88 and 2,856 is: 4,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.40 : 6,884.88 = 2,856 : x
  2. Step 2: Convert to fraction form
    4,586.40/6,884.88 = 2,856/x
  3. Step 3: Cross multiply
    4,586.40x = 6,884.88 × 2,856
  4. Step 4: Simplify right side
    4,586.40x = 19,663,217.28
  5. Step 5: Solve for x
    x = 19,663,217.28/4,586.40
  6. Step 6: Final answer
    x = 4,287.29

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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.