Home / 7,613.40-11,412.32-4,319.54

Finding the Fourth Proportional to 7,613.40, 11,412.32 and 4,319.54

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Solution

The fourth proportional to 7,613.40, 11,412.32 and 4,319.54 is: 6,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.40 : 11,412.32 = 4,319.54 : x
  2. Step 2: Convert to fraction form
    7,613.40/11,412.32 = 4,319.54/x
  3. Step 3: Cross multiply
    7,613.40x = 11,412.32 × 4,319.54
  4. Step 4: Simplify right side
    7,613.40x = 49,295,894.07
  5. Step 5: Solve for x
    x = 49,295,894.07/7,613.40
  6. Step 6: Final answer
    x = 6,474.89

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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.