Home / 5,287.97-7,330.80-5,007.09

Finding the Fourth Proportional to 5,287.97, 7,330.80 and 5,007.09

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Solution

The fourth proportional to 5,287.97, 7,330.80 and 5,007.09 is: 6,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.97 : 7,330.80 = 5,007.09 : x
  2. Step 2: Convert to fraction form
    5,287.97/7,330.80 = 5,007.09/x
  3. Step 3: Cross multiply
    5,287.97x = 7,330.80 × 5,007.09
  4. Step 4: Simplify right side
    5,287.97x = 36,705,975.37
  5. Step 5: Solve for x
    x = 36,705,975.37/5,287.97
  6. Step 6: Final answer
    x = 6,941.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.