Home / 5,458.98-8,188.74-3,281.70

Finding the Fourth Proportional to 5,458.98, 8,188.74 and 3,281.70

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Solution

The fourth proportional to 5,458.98, 8,188.74 and 3,281.70 is: 4,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.98 : 8,188.74 = 3,281.70 : x
  2. Step 2: Convert to fraction form
    5,458.98/8,188.74 = 3,281.70/x
  3. Step 3: Cross multiply
    5,458.98x = 8,188.74 × 3,281.70
  4. Step 4: Simplify right side
    5,458.98x = 26,872,988.06
  5. Step 5: Solve for x
    x = 26,872,988.06/5,458.98
  6. Step 6: Final answer
    x = 4,922.71

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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.