Home / 7,890.94-10,887.98-4,747.34

Finding the Fourth Proportional to 7,890.94, 10,887.98 and 4,747.34

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Solution

The fourth proportional to 7,890.94, 10,887.98 and 4,747.34 is: 6,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.94 : 10,887.98 = 4,747.34 : x
  2. Step 2: Convert to fraction form
    7,890.94/10,887.98 = 4,747.34/x
  3. Step 3: Cross multiply
    7,890.94x = 10,887.98 × 4,747.34
  4. Step 4: Simplify right side
    7,890.94x = 51,688,942.97
  5. Step 5: Solve for x
    x = 51,688,942.97/7,890.94
  6. Step 6: Final answer
    x = 6,550.42

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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.