Home / 7,887.89-10,885.26-4,351.08

Finding the Fourth Proportional to 7,887.89, 10,885.26 and 4,351.08

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Solution

The fourth proportional to 7,887.89, 10,885.26 and 4,351.08 is: 6,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.89 : 10,885.26 = 4,351.08 : x
  2. Step 2: Convert to fraction form
    7,887.89/10,885.26 = 4,351.08/x
  3. Step 3: Cross multiply
    7,887.89x = 10,885.26 × 4,351.08
  4. Step 4: Simplify right side
    7,887.89x = 47,362,694.22
  5. Step 5: Solve for x
    x = 47,362,694.22/7,887.89
  6. Step 6: Final answer
    x = 6,004.48

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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.