Home / 7,887.68-10,884.84-4,351.28

Finding the Fourth Proportional to 7,887.68, 10,884.84 and 4,351.28

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Solution

The fourth proportional to 7,887.68, 10,884.84 and 4,351.28 is: 6,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.68 : 10,884.84 = 4,351.28 : x
  2. Step 2: Convert to fraction form
    7,887.68/10,884.84 = 4,351.28/x
  3. Step 3: Cross multiply
    7,887.68x = 10,884.84 × 4,351.28
  4. Step 4: Simplify right side
    7,887.68x = 47,362,986.60
  5. Step 5: Solve for x
    x = 47,362,986.60/7,887.68
  6. Step 6: Final answer
    x = 6,004.68

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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.