Home / 5,449.04-7,521.30-3,211.64

Finding the Fourth Proportional to 5,449.04, 7,521.30 and 3,211.64

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Solution

The fourth proportional to 5,449.04, 7,521.30 and 3,211.64 is: 4,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.04 : 7,521.30 = 3,211.64 : x
  2. Step 2: Convert to fraction form
    5,449.04/7,521.30 = 3,211.64/x
  3. Step 3: Cross multiply
    5,449.04x = 7,521.30 × 3,211.64
  4. Step 4: Simplify right side
    5,449.04x = 24,155,740.84
  5. Step 5: Solve for x
    x = 24,155,740.84/5,449.04
  6. Step 6: Final answer
    x = 4,433.02

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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.