Home / 7,455.24-11,168.28-6,813.72

Finding the Fourth Proportional to 7,455.24, 11,168.28 and 6,813.72

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Solution

The fourth proportional to 7,455.24, 11,168.28 and 6,813.72 is: 10,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.24 : 11,168.28 = 6,813.72 : x
  2. Step 2: Convert to fraction form
    7,455.24/11,168.28 = 6,813.72/x
  3. Step 3: Cross multiply
    7,455.24x = 11,168.28 × 6,813.72
  4. Step 4: Simplify right side
    7,455.24x = 76,097,532.80
  5. Step 5: Solve for x
    x = 76,097,532.80/7,455.24
  6. Step 6: Final answer
    x = 10,207.25

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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.