Home / 4,784.88-6,603.33-2,689

Finding the Fourth Proportional to 4,784.88, 6,603.33 and 2,689

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Solution

The fourth proportional to 4,784.88, 6,603.33 and 2,689 is: 3,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.88 : 6,603.33 = 2,689 : x
  2. Step 2: Convert to fraction form
    4,784.88/6,603.33 = 2,689/x
  3. Step 3: Cross multiply
    4,784.88x = 6,603.33 × 2,689
  4. Step 4: Simplify right side
    4,784.88x = 17,756,354.37
  5. Step 5: Solve for x
    x = 17,756,354.37/4,784.88
  6. Step 6: Final answer
    x = 3,710.93

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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.