Home / 7,627.69-11,437.48-3,928.42

Finding the Fourth Proportional to 7,627.69, 11,437.48 and 3,928.42

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Solution

The fourth proportional to 7,627.69, 11,437.48 and 3,928.42 is: 5,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.69 : 11,437.48 = 3,928.42 : x
  2. Step 2: Convert to fraction form
    7,627.69/11,437.48 = 3,928.42/x
  3. Step 3: Cross multiply
    7,627.69x = 11,437.48 × 3,928.42
  4. Step 4: Simplify right side
    7,627.69x = 44,931,225.18
  5. Step 5: Solve for x
    x = 44,931,225.18/7,627.69
  6. Step 6: Final answer
    x = 5,890.54

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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.