Home / 4,913.70-6,780.84-2,675.55

Finding the Fourth Proportional to 4,913.70, 6,780.84 and 2,675.55

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Solution

The fourth proportional to 4,913.70, 6,780.84 and 2,675.55 is: 3,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.70 : 6,780.84 = 2,675.55 : x
  2. Step 2: Convert to fraction form
    4,913.70/6,780.84 = 2,675.55/x
  3. Step 3: Cross multiply
    4,913.70x = 6,780.84 × 2,675.55
  4. Step 4: Simplify right side
    4,913.70x = 18,142,476.46
  5. Step 5: Solve for x
    x = 18,142,476.46/4,913.70
  6. Step 6: Final answer
    x = 3,692.22

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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.