Home / 5,335.28-8,004.12-1,872.56

Finding the Fourth Proportional to 5,335.28, 8,004.12 and 1,872.56

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Solution

The fourth proportional to 5,335.28, 8,004.12 and 1,872.56 is: 2,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.28 : 8,004.12 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    5,335.28/8,004.12 = 1,872.56/x
  3. Step 3: Cross multiply
    5,335.28x = 8,004.12 × 1,872.56
  4. Step 4: Simplify right side
    5,335.28x = 14,988,194.95
  5. Step 5: Solve for x
    x = 14,988,194.95/5,335.28
  6. Step 6: Final answer
    x = 2,809.26

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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.