Home / 4,876.80-7,297.20-3,580.80

Finding the Fourth Proportional to 4,876.80, 7,297.20 and 3,580.80

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Solution

The fourth proportional to 4,876.80, 7,297.20 and 3,580.80 is: 5,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.80 : 7,297.20 = 3,580.80 : x
  2. Step 2: Convert to fraction form
    4,876.80/7,297.20 = 3,580.80/x
  3. Step 3: Cross multiply
    4,876.80x = 7,297.20 × 3,580.80
  4. Step 4: Simplify right side
    4,876.80x = 26,129,813.76
  5. Step 5: Solve for x
    x = 26,129,813.76/4,876.80
  6. Step 6: Final answer
    x = 5,357.98

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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.