Home / 8,180.34-11,289.23-4,643.88

Finding the Fourth Proportional to 8,180.34, 11,289.23 and 4,643.88

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Solution

The fourth proportional to 8,180.34, 11,289.23 and 4,643.88 is: 6,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.34 : 11,289.23 = 4,643.88 : x
  2. Step 2: Convert to fraction form
    8,180.34/11,289.23 = 4,643.88/x
  3. Step 3: Cross multiply
    8,180.34x = 11,289.23 × 4,643.88
  4. Step 4: Simplify right side
    8,180.34x = 52,425,806.19
  5. Step 5: Solve for x
    x = 52,425,806.19/8,180.34
  6. Step 6: Final answer
    x = 6,408.76

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Half scale
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Double scale
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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.