Home / 4,790.28-6,611.37-2,800.45

Finding the Fourth Proportional to 4,790.28, 6,611.37 and 2,800.45

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Solution

The fourth proportional to 4,790.28, 6,611.37 and 2,800.45 is: 3,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.28 : 6,611.37 = 2,800.45 : x
  2. Step 2: Convert to fraction form
    4,790.28/6,611.37 = 2,800.45/x
  3. Step 3: Cross multiply
    4,790.28x = 6,611.37 × 2,800.45
  4. Step 4: Simplify right side
    4,790.28x = 18,514,811.12
  5. Step 5: Solve for x
    x = 18,514,811.12/4,790.28
  6. Step 6: Final answer
    x = 3,865.08

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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.