Home / 5,378.54-8,071.88-2,458.89

Finding the Fourth Proportional to 5,378.54, 8,071.88 and 2,458.89

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Solution

The fourth proportional to 5,378.54, 8,071.88 and 2,458.89 is: 3,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.54 : 8,071.88 = 2,458.89 : x
  2. Step 2: Convert to fraction form
    5,378.54/8,071.88 = 2,458.89/x
  3. Step 3: Cross multiply
    5,378.54x = 8,071.88 × 2,458.89
  4. Step 4: Simplify right side
    5,378.54x = 19,847,852.72
  5. Step 5: Solve for x
    x = 19,847,852.72/5,378.54
  6. Step 6: Final answer
    x = 3,690.20

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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.