Home / 6,419.25-8,842.16-4,924.60

Finding the Fourth Proportional to 6,419.25, 8,842.16 and 4,924.60

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Solution

The fourth proportional to 6,419.25, 8,842.16 and 4,924.60 is: 6,783.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.25 : 8,842.16 = 4,924.60 : x
  2. Step 2: Convert to fraction form
    6,419.25/8,842.16 = 4,924.60/x
  3. Step 3: Cross multiply
    6,419.25x = 8,842.16 × 4,924.60
  4. Step 4: Simplify right side
    6,419.25x = 43,544,091.34
  5. Step 5: Solve for x
    x = 43,544,091.34/6,419.25
  6. Step 6: Final answer
    x = 6,783.36

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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.