Home / 5,488.74-8,235.81-2,715.30

Finding the Fourth Proportional to 5,488.74, 8,235.81 and 2,715.30

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Solution

The fourth proportional to 5,488.74, 8,235.81 and 2,715.30 is: 4,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.74 : 8,235.81 = 2,715.30 : x
  2. Step 2: Convert to fraction form
    5,488.74/8,235.81 = 2,715.30/x
  3. Step 3: Cross multiply
    5,488.74x = 8,235.81 × 2,715.30
  4. Step 4: Simplify right side
    5,488.74x = 22,362,694.89
  5. Step 5: Solve for x
    x = 22,362,694.89/5,488.74
  6. Step 6: Final answer
    x = 4,074.29

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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.