Home / 9,028.74-13,538.80-5,281.58

Finding the Fourth Proportional to 9,028.74, 13,538.80 and 5,281.58

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Solution

The fourth proportional to 9,028.74, 13,538.80 and 5,281.58 is: 7,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.74 : 13,538.80 = 5,281.58 : x
  2. Step 2: Convert to fraction form
    9,028.74/13,538.80 = 5,281.58/x
  3. Step 3: Cross multiply
    9,028.74x = 13,538.80 × 5,281.58
  4. Step 4: Simplify right side
    9,028.74x = 71,506,255.30
  5. Step 5: Solve for x
    x = 71,506,255.30/9,028.74
  6. Step 6: Final answer
    x = 7,919.85

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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.