Home / 7,728.51-11,597.53-3,047.73

Finding the Fourth Proportional to 7,728.51, 11,597.53 and 3,047.73

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Solution

The fourth proportional to 7,728.51, 11,597.53 and 3,047.73 is: 4,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,728.51 : 11,597.53 = 3,047.73 : x
  2. Step 2: Convert to fraction form
    7,728.51/11,597.53 = 3,047.73/x
  3. Step 3: Cross multiply
    7,728.51x = 11,597.53 × 3,047.73
  4. Step 4: Simplify right side
    7,728.51x = 35,346,094.71
  5. Step 5: Solve for x
    x = 35,346,094.71/7,728.51
  6. Step 6: Final answer
    x = 4,573.47

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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.