Home / 7,889.12-10,887.11-4,352.33

Finding the Fourth Proportional to 7,889.12, 10,887.11 and 4,352.33

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Solution

The fourth proportional to 7,889.12, 10,887.11 and 4,352.33 is: 6,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.12 : 10,887.11 = 4,352.33 : x
  2. Step 2: Convert to fraction form
    7,889.12/10,887.11 = 4,352.33/x
  3. Step 3: Cross multiply
    7,889.12x = 10,887.11 × 4,352.33
  4. Step 4: Simplify right side
    7,889.12x = 47,384,219.27
  5. Step 5: Solve for x
    x = 47,384,219.27/7,889.12
  6. Step 6: Final answer
    x = 6,006.28

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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.