Home / 5,421.88-8,132.82-1,526.28

Finding the Fourth Proportional to 5,421.88, 8,132.82 and 1,526.28

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Solution

The fourth proportional to 5,421.88, 8,132.82 and 1,526.28 is: 2,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.88 : 8,132.82 = 1,526.28 : x
  2. Step 2: Convert to fraction form
    5,421.88/8,132.82 = 1,526.28/x
  3. Step 3: Cross multiply
    5,421.88x = 8,132.82 × 1,526.28
  4. Step 4: Simplify right side
    5,421.88x = 12,412,960.51
  5. Step 5: Solve for x
    x = 12,412,960.51/5,421.88
  6. Step 6: Final answer
    x = 2,289.42

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Similar ratio
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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.