Home / 4,913.81-6,780.96-2,675.73

Finding the Fourth Proportional to 4,913.81, 6,780.96 and 2,675.73

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Solution

The fourth proportional to 4,913.81, 6,780.96 and 2,675.73 is: 3,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.81 : 6,780.96 = 2,675.73 : x
  2. Step 2: Convert to fraction form
    4,913.81/6,780.96 = 2,675.73/x
  3. Step 3: Cross multiply
    4,913.81x = 6,780.96 × 2,675.73
  4. Step 4: Simplify right side
    4,913.81x = 18,144,018.10
  5. Step 5: Solve for x
    x = 18,144,018.10/4,913.81
  6. Step 6: Final answer
    x = 3,692.45

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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.