Home / 4,890.12-7,334.43-1,603.14

Finding the Fourth Proportional to 4,890.12, 7,334.43 and 1,603.14

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Solution

The fourth proportional to 4,890.12, 7,334.43 and 1,603.14 is: 2,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.12 : 7,334.43 = 1,603.14 : x
  2. Step 2: Convert to fraction form
    4,890.12/7,334.43 = 1,603.14/x
  3. Step 3: Cross multiply
    4,890.12x = 7,334.43 × 1,603.14
  4. Step 4: Simplify right side
    4,890.12x = 11,758,118.11
  5. Step 5: Solve for x
    x = 11,758,118.11/4,890.12
  6. Step 6: Final answer
    x = 2,404.46

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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.