Home / 4,603.80-6,908.40-2,758.49

Finding the Fourth Proportional to 4,603.80, 6,908.40 and 2,758.49

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Solution

The fourth proportional to 4,603.80, 6,908.40 and 2,758.49 is: 4,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.80 : 6,908.40 = 2,758.49 : x
  2. Step 2: Convert to fraction form
    4,603.80/6,908.40 = 2,758.49/x
  3. Step 3: Cross multiply
    4,603.80x = 6,908.40 × 2,758.49
  4. Step 4: Simplify right side
    4,603.80x = 19,056,717.77
  5. Step 5: Solve for x
    x = 19,056,717.77/4,603.80
  6. Step 6: Final answer
    x = 4,139.35

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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.