Home / 7,211.70-10,817.55-4,429.35

Finding the Fourth Proportional to 7,211.70, 10,817.55 and 4,429.35

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Solution

The fourth proportional to 7,211.70, 10,817.55 and 4,429.35 is: 6,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.70 : 10,817.55 = 4,429.35 : x
  2. Step 2: Convert to fraction form
    7,211.70/10,817.55 = 4,429.35/x
  3. Step 3: Cross multiply
    7,211.70x = 10,817.55 × 4,429.35
  4. Step 4: Simplify right side
    7,211.70x = 47,914,715.09
  5. Step 5: Solve for x
    x = 47,914,715.09/7,211.70
  6. Step 6: Final answer
    x = 6,644.03

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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.