Home / 4,825.80-6,659.28-3,057.98

Finding the Fourth Proportional to 4,825.80, 6,659.28 and 3,057.98

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Solution

The fourth proportional to 4,825.80, 6,659.28 and 3,057.98 is: 4,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.80 : 6,659.28 = 3,057.98 : x
  2. Step 2: Convert to fraction form
    4,825.80/6,659.28 = 3,057.98/x
  3. Step 3: Cross multiply
    4,825.80x = 6,659.28 × 3,057.98
  4. Step 4: Simplify right side
    4,825.80x = 20,363,911.76
  5. Step 5: Solve for x
    x = 20,363,911.76/4,825.80
  6. Step 6: Final answer
    x = 4,219.80

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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.