Home / 5,380.45-8,071.13-1,484.85

Finding the Fourth Proportional to 5,380.45, 8,071.13 and 1,484.85

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Solution

The fourth proportional to 5,380.45, 8,071.13 and 1,484.85 is: 2,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.45 : 8,071.13 = 1,484.85 : x
  2. Step 2: Convert to fraction form
    5,380.45/8,071.13 = 1,484.85/x
  3. Step 3: Cross multiply
    5,380.45x = 8,071.13 × 1,484.85
  4. Step 4: Simplify right side
    5,380.45x = 11,984,421.09
  5. Step 5: Solve for x
    x = 11,984,421.09/5,380.45
  6. Step 6: Final answer
    x = 2,227.40

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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.