Home / 7,211.40-10,817.40-4,436.32

Finding the Fourth Proportional to 7,211.40, 10,817.40 and 4,436.32

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Solution

The fourth proportional to 7,211.40, 10,817.40 and 4,436.32 is: 6,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.40 : 10,817.40 = 4,436.32 : x
  2. Step 2: Convert to fraction form
    7,211.40/10,817.40 = 4,436.32/x
  3. Step 3: Cross multiply
    7,211.40x = 10,817.40 × 4,436.32
  4. Step 4: Simplify right side
    7,211.40x = 47,989,447.97
  5. Step 5: Solve for x
    x = 47,989,447.97/7,211.40
  6. Step 6: Final answer
    x = 6,654.66

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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.