Home / 6,452.39-9,678.59-4,260.60

Finding the Fourth Proportional to 6,452.39, 9,678.59 and 4,260.60

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Solution

The fourth proportional to 6,452.39, 9,678.59 and 4,260.60 is: 6,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.39 : 9,678.59 = 4,260.60 : x
  2. Step 2: Convert to fraction form
    6,452.39/9,678.59 = 4,260.60/x
  3. Step 3: Cross multiply
    6,452.39x = 9,678.59 × 4,260.60
  4. Step 4: Simplify right side
    6,452.39x = 41,236,579.25
  5. Step 5: Solve for x
    x = 41,236,579.25/6,452.39
  6. Step 6: Final answer
    x = 6,390.90

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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.