Home / 4,820.31-7,230.06-2,479.01

Finding the Fourth Proportional to 4,820.31, 7,230.06 and 2,479.01

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Solution

The fourth proportional to 4,820.31, 7,230.06 and 2,479.01 is: 3,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.31 : 7,230.06 = 2,479.01 : x
  2. Step 2: Convert to fraction form
    4,820.31/7,230.06 = 2,479.01/x
  3. Step 3: Cross multiply
    4,820.31x = 7,230.06 × 2,479.01
  4. Step 4: Simplify right side
    4,820.31x = 17,923,354.89
  5. Step 5: Solve for x
    x = 17,923,354.89/4,820.31
  6. Step 6: Final answer
    x = 3,718.30

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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.