Home / 5,828.10-8,721.63-4,775.46

Finding the Fourth Proportional to 5,828.10, 8,721.63 and 4,775.46

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Solution

The fourth proportional to 5,828.10, 8,721.63 and 4,775.46 is: 7,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.10 : 8,721.63 = 4,775.46 : x
  2. Step 2: Convert to fraction form
    5,828.10/8,721.63 = 4,775.46/x
  3. Step 3: Cross multiply
    5,828.10x = 8,721.63 × 4,775.46
  4. Step 4: Simplify right side
    5,828.10x = 41,649,795.20
  5. Step 5: Solve for x
    x = 41,649,795.20/5,828.10
  6. Step 6: Final answer
    x = 7,146.38

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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.