Home / 4,380.51-6,045.11-2,808.60

Finding the Fourth Proportional to 4,380.51, 6,045.11 and 2,808.60

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Solution

The fourth proportional to 4,380.51, 6,045.11 and 2,808.60 is: 3,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.51 : 6,045.11 = 2,808.60 : x
  2. Step 2: Convert to fraction form
    4,380.51/6,045.11 = 2,808.60/x
  3. Step 3: Cross multiply
    4,380.51x = 6,045.11 × 2,808.60
  4. Step 4: Simplify right side
    4,380.51x = 16,978,295.95
  5. Step 5: Solve for x
    x = 16,978,295.95/4,380.51
  6. Step 6: Final answer
    x = 3,875.87

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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.