Home / 4,809.58-7,215.06-2,438.68

Finding the Fourth Proportional to 4,809.58, 7,215.06 and 2,438.68

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Solution

The fourth proportional to 4,809.58, 7,215.06 and 2,438.68 is: 3,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.58 : 7,215.06 = 2,438.68 : x
  2. Step 2: Convert to fraction form
    4,809.58/7,215.06 = 2,438.68/x
  3. Step 3: Cross multiply
    4,809.58x = 7,215.06 × 2,438.68
  4. Step 4: Simplify right side
    4,809.58x = 17,595,222.52
  5. Step 5: Solve for x
    x = 17,595,222.52/4,809.58
  6. Step 6: Final answer
    x = 3,658.37

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1.5x scale

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.