Home / 7,644.34-10,548.72-4,286.91

Finding the Fourth Proportional to 7,644.34, 10,548.72 and 4,286.91

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Solution

The fourth proportional to 7,644.34, 10,548.72 and 4,286.91 is: 5,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.34 : 10,548.72 = 4,286.91 : x
  2. Step 2: Convert to fraction form
    7,644.34/10,548.72 = 4,286.91/x
  3. Step 3: Cross multiply
    7,644.34x = 10,548.72 × 4,286.91
  4. Step 4: Simplify right side
    7,644.34x = 45,221,413.26
  5. Step 5: Solve for x
    x = 45,221,413.26/7,644.34
  6. Step 6: Final answer
    x = 5,915.67

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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.