Home / 7,772.39-10,725.88-4,235.60

Finding the Fourth Proportional to 7,772.39, 10,725.88 and 4,235.60

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Solution

The fourth proportional to 7,772.39, 10,725.88 and 4,235.60 is: 5,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.39 : 10,725.88 = 4,235.60 : x
  2. Step 2: Convert to fraction form
    7,772.39/10,725.88 = 4,235.60/x
  3. Step 3: Cross multiply
    7,772.39x = 10,725.88 × 4,235.60
  4. Step 4: Simplify right side
    7,772.39x = 45,430,537.33
  5. Step 5: Solve for x
    x = 45,430,537.33/7,772.39
  6. Step 6: Final answer
    x = 5,845.12

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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.