Home / 7,930.70-10,945.54-4,572.86

Finding the Fourth Proportional to 7,930.70, 10,945.54 and 4,572.86

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Solution

The fourth proportional to 7,930.70, 10,945.54 and 4,572.86 is: 6,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.70 : 10,945.54 = 4,572.86 : x
  2. Step 2: Convert to fraction form
    7,930.70/10,945.54 = 4,572.86/x
  3. Step 3: Cross multiply
    7,930.70x = 10,945.54 × 4,572.86
  4. Step 4: Simplify right side
    7,930.70x = 50,052,437.98
  5. Step 5: Solve for x
    x = 50,052,437.98/7,930.70
  6. Step 6: Final answer
    x = 6,311.22

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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.