Home / 4,380.50-6,045.08-2,808.59

Finding the Fourth Proportional to 4,380.50, 6,045.08 and 2,808.59

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Solution

The fourth proportional to 4,380.50, 6,045.08 and 2,808.59 is: 3,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.50 : 6,045.08 = 2,808.59 : x
  2. Step 2: Convert to fraction form
    4,380.50/6,045.08 = 2,808.59/x
  3. Step 3: Cross multiply
    4,380.50x = 6,045.08 × 2,808.59
  4. Step 4: Simplify right side
    4,380.50x = 16,978,151.24
  5. Step 5: Solve for x
    x = 16,978,151.24/4,380.50
  6. Step 6: Final answer
    x = 3,875.85

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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.