Home / 4,815.88-7,208.40-2,589.16

Finding the Fourth Proportional to 4,815.88, 7,208.40 and 2,589.16

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Solution

The fourth proportional to 4,815.88, 7,208.40 and 2,589.16 is: 3,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.88 : 7,208.40 = 2,589.16 : x
  2. Step 2: Convert to fraction form
    4,815.88/7,208.40 = 2,589.16/x
  3. Step 3: Cross multiply
    4,815.88x = 7,208.40 × 2,589.16
  4. Step 4: Simplify right side
    4,815.88x = 18,663,700.94
  5. Step 5: Solve for x
    x = 18,663,700.94/4,815.88
  6. Step 6: Final answer
    x = 3,875.45

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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.