Home / 7,889.35-10,887.34-4,352.56

Finding the Fourth Proportional to 7,889.35, 10,887.34 and 4,352.56

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Solution

The fourth proportional to 7,889.35, 10,887.34 and 4,352.56 is: 6,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.35 : 10,887.34 = 4,352.56 : x
  2. Step 2: Convert to fraction form
    7,889.35/10,887.34 = 4,352.56/x
  3. Step 3: Cross multiply
    7,889.35x = 10,887.34 × 4,352.56
  4. Step 4: Simplify right side
    7,889.35x = 47,387,800.59
  5. Step 5: Solve for x
    x = 47,387,800.59/7,889.35
  6. Step 6: Final answer
    x = 6,006.55

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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.