Home / 7,945.34-10,962.92-4,407.80

Finding the Fourth Proportional to 7,945.34, 10,962.92 and 4,407.80

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Solution

The fourth proportional to 7,945.34, 10,962.92 and 4,407.80 is: 6,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.34 : 10,962.92 = 4,407.80 : x
  2. Step 2: Convert to fraction form
    7,945.34/10,962.92 = 4,407.80/x
  3. Step 3: Cross multiply
    7,945.34x = 10,962.92 × 4,407.80
  4. Step 4: Simplify right side
    7,945.34x = 48,322,358.78
  5. Step 5: Solve for x
    x = 48,322,358.78/7,945.34
  6. Step 6: Final answer
    x = 6,081.85

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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.