Home / 7,889.39-10,887.27-4,352.60

Finding the Fourth Proportional to 7,889.39, 10,887.27 and 4,352.60

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Solution

The fourth proportional to 7,889.39, 10,887.27 and 4,352.60 is: 6,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.39 : 10,887.27 = 4,352.60 : x
  2. Step 2: Convert to fraction form
    7,889.39/10,887.27 = 4,352.60/x
  3. Step 3: Cross multiply
    7,889.39x = 10,887.27 × 4,352.60
  4. Step 4: Simplify right side
    7,889.39x = 47,387,876.97
  5. Step 5: Solve for x
    x = 47,387,876.97/7,889.39
  6. Step 6: Final answer
    x = 6,006.54

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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.