Home / 5,353.80-8,031.92-2,888.56

Finding the Fourth Proportional to 5,353.80, 8,031.92 and 2,888.56

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Solution

The fourth proportional to 5,353.80, 8,031.92 and 2,888.56 is: 4,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.80 : 8,031.92 = 2,888.56 : x
  2. Step 2: Convert to fraction form
    5,353.80/8,031.92 = 2,888.56/x
  3. Step 3: Cross multiply
    5,353.80x = 8,031.92 × 2,888.56
  4. Step 4: Simplify right side
    5,353.80x = 23,200,682.84
  5. Step 5: Solve for x
    x = 23,200,682.84/5,353.80
  6. Step 6: Final answer
    x = 4,333.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.