Home / 6,675.40-9,998.70-4,342.60

Finding the Fourth Proportional to 6,675.40, 9,998.70 and 4,342.60

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Solution

The fourth proportional to 6,675.40, 9,998.70 and 4,342.60 is: 6,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.40 : 9,998.70 = 4,342.60 : x
  2. Step 2: Convert to fraction form
    6,675.40/9,998.70 = 4,342.60/x
  3. Step 3: Cross multiply
    6,675.40x = 9,998.70 × 4,342.60
  4. Step 4: Simplify right side
    6,675.40x = 43,420,354.62
  5. Step 5: Solve for x
    x = 43,420,354.62/6,675.40
  6. Step 6: Final answer
    x = 6,504.53

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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.