Home / 5,563.76-7,676.48-4,381.20

Finding the Fourth Proportional to 5,563.76, 7,676.48 and 4,381.20

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Solution

The fourth proportional to 5,563.76, 7,676.48 and 4,381.20 is: 6,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.76 : 7,676.48 = 4,381.20 : x
  2. Step 2: Convert to fraction form
    5,563.76/7,676.48 = 4,381.20/x
  3. Step 3: Cross multiply
    5,563.76x = 7,676.48 × 4,381.20
  4. Step 4: Simplify right side
    5,563.76x = 33,632,194.18
  5. Step 5: Solve for x
    x = 33,632,194.18/5,563.76
  6. Step 6: Final answer
    x = 6,044.87

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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.