Home / 4,491.78-6,198.17-2,603.40

Finding the Fourth Proportional to 4,491.78, 6,198.17 and 2,603.40

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Solution

The fourth proportional to 4,491.78, 6,198.17 and 2,603.40 is: 3,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.78 : 6,198.17 = 2,603.40 : x
  2. Step 2: Convert to fraction form
    4,491.78/6,198.17 = 2,603.40/x
  3. Step 3: Cross multiply
    4,491.78x = 6,198.17 × 2,603.40
  4. Step 4: Simplify right side
    4,491.78x = 16,136,302.76
  5. Step 5: Solve for x
    x = 16,136,302.76/4,491.78
  6. Step 6: Final answer
    x = 3,592.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.