Home / 7,619.96-10,577.21-7,435.64

Finding the Fourth Proportional to 7,619.96, 10,577.21 and 7,435.64

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Solution

The fourth proportional to 7,619.96, 10,577.21 and 7,435.64 is: 10,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.96 : 10,577.21 = 7,435.64 : x
  2. Step 2: Convert to fraction form
    7,619.96/10,577.21 = 7,435.64/x
  3. Step 3: Cross multiply
    7,619.96x = 10,577.21 × 7,435.64
  4. Step 4: Simplify right side
    7,619.96x = 78,648,325.76
  5. Step 5: Solve for x
    x = 78,648,325.76/7,619.96
  6. Step 6: Final answer
    x = 10,321.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.