Home / 5,354.54-8,031.81-2,721.63

Finding the Fourth Proportional to 5,354.54, 8,031.81 and 2,721.63

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Solution

The fourth proportional to 5,354.54, 8,031.81 and 2,721.63 is: 4,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.54 : 8,031.81 = 2,721.63 : x
  2. Step 2: Convert to fraction form
    5,354.54/8,031.81 = 2,721.63/x
  3. Step 3: Cross multiply
    5,354.54x = 8,031.81 × 2,721.63
  4. Step 4: Simplify right side
    5,354.54x = 21,859,615.05
  5. Step 5: Solve for x
    x = 21,859,615.05/5,354.54
  6. Step 6: Final answer
    x = 4,082.45

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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.