Home / 9,290.58-13,919.67-7,740.54

Finding the Fourth Proportional to 9,290.58, 13,919.67 and 7,740.54

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Solution

The fourth proportional to 9,290.58, 13,919.67 and 7,740.54 is: 11,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.58 : 13,919.67 = 7,740.54 : x
  2. Step 2: Convert to fraction form
    9,290.58/13,919.67 = 7,740.54/x
  3. Step 3: Cross multiply
    9,290.58x = 13,919.67 × 7,740.54
  4. Step 4: Simplify right side
    9,290.58x = 107,745,762.42
  5. Step 5: Solve for x
    x = 107,745,762.42/9,290.58
  6. Step 6: Final answer
    x = 11,597.31

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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.