Home / 7,007.25-9,670.01-4,212.75

Finding the Fourth Proportional to 7,007.25, 9,670.01 and 4,212.75

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Solution

The fourth proportional to 7,007.25, 9,670.01 and 4,212.75 is: 5,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.25 : 9,670.01 = 4,212.75 : x
  2. Step 2: Convert to fraction form
    7,007.25/9,670.01 = 4,212.75/x
  3. Step 3: Cross multiply
    7,007.25x = 9,670.01 × 4,212.75
  4. Step 4: Simplify right side
    7,007.25x = 40,737,313.56
  5. Step 5: Solve for x
    x = 40,737,313.56/7,007.25
  6. Step 6: Final answer
    x = 5,813.60

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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.