Home / 9,021.16-13,526.88-3,177.28

Finding the Fourth Proportional to 9,021.16, 13,526.88 and 3,177.28

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Solution

The fourth proportional to 9,021.16, 13,526.88 and 3,177.28 is: 4,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.16 : 13,526.88 = 3,177.28 : x
  2. Step 2: Convert to fraction form
    9,021.16/13,526.88 = 3,177.28/x
  3. Step 3: Cross multiply
    9,021.16x = 13,526.88 × 3,177.28
  4. Step 4: Simplify right side
    9,021.16x = 42,978,685.29
  5. Step 5: Solve for x
    x = 42,978,685.29/9,021.16
  6. Step 6: Final answer
    x = 4,764.21

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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.