Home / 7,056.06-9,736.92-3,912

Finding the Fourth Proportional to 7,056.06, 9,736.92 and 3,912

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Solution

The fourth proportional to 7,056.06, 9,736.92 and 3,912 is: 5,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.06 : 9,736.92 = 3,912 : x
  2. Step 2: Convert to fraction form
    7,056.06/9,736.92 = 3,912/x
  3. Step 3: Cross multiply
    7,056.06x = 9,736.92 × 3,912
  4. Step 4: Simplify right side
    7,056.06x = 38,090,831.04
  5. Step 5: Solve for x
    x = 38,090,831.04/7,056.06
  6. Step 6: Final answer
    x = 5,398.31

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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.