Home / 4,899.47-7,346.78-1,778.97

Finding the Fourth Proportional to 4,899.47, 7,346.78 and 1,778.97

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Solution

The fourth proportional to 4,899.47, 7,346.78 and 1,778.97 is: 2,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.47 : 7,346.78 = 1,778.97 : x
  2. Step 2: Convert to fraction form
    4,899.47/7,346.78 = 1,778.97/x
  3. Step 3: Cross multiply
    4,899.47x = 7,346.78 × 1,778.97
  4. Step 4: Simplify right side
    4,899.47x = 13,069,692.32
  5. Step 5: Solve for x
    x = 13,069,692.32/4,899.47
  6. Step 6: Final answer
    x = 2,667.58

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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.