Home / 7,887.75-10,882.34-5,056.68

Finding the Fourth Proportional to 7,887.75, 10,882.34 and 5,056.68

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Solution

The fourth proportional to 7,887.75, 10,882.34 and 5,056.68 is: 6,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.75 : 10,882.34 = 5,056.68 : x
  2. Step 2: Convert to fraction form
    7,887.75/10,882.34 = 5,056.68/x
  3. Step 3: Cross multiply
    7,887.75x = 10,882.34 × 5,056.68
  4. Step 4: Simplify right side
    7,887.75x = 55,028,485.75
  5. Step 5: Solve for x
    x = 55,028,485.75/7,887.75
  6. Step 6: Final answer
    x = 6,976.45

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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.