Home / 7,485.75-10,330.34-4,342.55

Finding the Fourth Proportional to 7,485.75, 10,330.34 and 4,342.55

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Solution

The fourth proportional to 7,485.75, 10,330.34 and 4,342.55 is: 5,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.75 : 10,330.34 = 4,342.55 : x
  2. Step 2: Convert to fraction form
    7,485.75/10,330.34 = 4,342.55/x
  3. Step 3: Cross multiply
    7,485.75x = 10,330.34 × 4,342.55
  4. Step 4: Simplify right side
    7,485.75x = 44,859,944.60
  5. Step 5: Solve for x
    x = 44,859,944.60/7,485.75
  6. Step 6: Final answer
    x = 5,992.71

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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.