Home / 4,784.68-6,603.30-2,689

Finding the Fourth Proportional to 4,784.68, 6,603.30 and 2,689

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Solution

The fourth proportional to 4,784.68, 6,603.30 and 2,689 is: 3,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.68 : 6,603.30 = 2,689 : x
  2. Step 2: Convert to fraction form
    4,784.68/6,603.30 = 2,689/x
  3. Step 3: Cross multiply
    4,784.68x = 6,603.30 × 2,689
  4. Step 4: Simplify right side
    4,784.68x = 17,756,273.70
  5. Step 5: Solve for x
    x = 17,756,273.70/4,784.68
  6. Step 6: Final answer
    x = 3,711.07

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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.