Home / 7,619.34-10,515.81-4,634.60

Finding the Fourth Proportional to 7,619.34, 10,515.81 and 4,634.60

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Solution

The fourth proportional to 7,619.34, 10,515.81 and 4,634.60 is: 6,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.34 : 10,515.81 = 4,634.60 : x
  2. Step 2: Convert to fraction form
    7,619.34/10,515.81 = 4,634.60/x
  3. Step 3: Cross multiply
    7,619.34x = 10,515.81 × 4,634.60
  4. Step 4: Simplify right side
    7,619.34x = 48,736,520.45
  5. Step 5: Solve for x
    x = 48,736,520.45/7,619.34
  6. Step 6: Final answer
    x = 6,396.42

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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.