Home / 5,380.04-7,421.82-3,280.52

Finding the Fourth Proportional to 5,380.04, 7,421.82 and 3,280.52

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Solution

The fourth proportional to 5,380.04, 7,421.82 and 3,280.52 is: 4,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.04 : 7,421.82 = 3,280.52 : x
  2. Step 2: Convert to fraction form
    5,380.04/7,421.82 = 3,280.52/x
  3. Step 3: Cross multiply
    5,380.04x = 7,421.82 × 3,280.52
  4. Step 4: Simplify right side
    5,380.04x = 24,347,428.95
  5. Step 5: Solve for x
    x = 24,347,428.95/5,380.04
  6. Step 6: Final answer
    x = 4,525.51

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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.