Home / 5,432.81-8,134.56-3,554.06

Finding the Fourth Proportional to 5,432.81, 8,134.56 and 3,554.06

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Solution

The fourth proportional to 5,432.81, 8,134.56 and 3,554.06 is: 5,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.81 : 8,134.56 = 3,554.06 : x
  2. Step 2: Convert to fraction form
    5,432.81/8,134.56 = 3,554.06/x
  3. Step 3: Cross multiply
    5,432.81x = 8,134.56 × 3,554.06
  4. Step 4: Simplify right side
    5,432.81x = 28,910,673.64
  5. Step 5: Solve for x
    x = 28,910,673.64/5,432.81
  6. Step 6: Final answer
    x = 5,321.50

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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.