Home / 7,435.62-10,261.44-4,078.58

Finding the Fourth Proportional to 7,435.62, 10,261.44 and 4,078.58

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Solution

The fourth proportional to 7,435.62, 10,261.44 and 4,078.58 is: 5,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.62 : 10,261.44 = 4,078.58 : x
  2. Step 2: Convert to fraction form
    7,435.62/10,261.44 = 4,078.58/x
  3. Step 3: Cross multiply
    7,435.62x = 10,261.44 × 4,078.58
  4. Step 4: Simplify right side
    7,435.62x = 41,852,064.12
  5. Step 5: Solve for x
    x = 41,852,064.12/7,435.62
  6. Step 6: Final answer
    x = 5,628.59

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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.