Home / 8,154.07-11,257.28-5,367.67

Finding the Fourth Proportional to 8,154.07, 11,257.28 and 5,367.67

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Solution

The fourth proportional to 8,154.07, 11,257.28 and 5,367.67 is: 7,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.07 : 11,257.28 = 5,367.67 : x
  2. Step 2: Convert to fraction form
    8,154.07/11,257.28 = 5,367.67/x
  3. Step 3: Cross multiply
    8,154.07x = 11,257.28 × 5,367.67
  4. Step 4: Simplify right side
    8,154.07x = 60,425,329.28
  5. Step 5: Solve for x
    x = 60,425,329.28/8,154.07
  6. Step 6: Final answer
    x = 7,410.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.