Home / 9,272.76-13,904.80-5,378.28

Finding the Fourth Proportional to 9,272.76, 13,904.80 and 5,378.28

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Solution

The fourth proportional to 9,272.76, 13,904.80 and 5,378.28 is: 8,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.76 : 13,904.80 = 5,378.28 : x
  2. Step 2: Convert to fraction form
    9,272.76/13,904.80 = 5,378.28/x
  3. Step 3: Cross multiply
    9,272.76x = 13,904.80 × 5,378.28
  4. Step 4: Simplify right side
    9,272.76x = 74,783,907.74
  5. Step 5: Solve for x
    x = 74,783,907.74/9,272.76
  6. Step 6: Final answer
    x = 8,064.90

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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.