Home / 8,935.28-13,401.84-5,645.60

Finding the Fourth Proportional to 8,935.28, 13,401.84 and 5,645.60

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Solution

The fourth proportional to 8,935.28, 13,401.84 and 5,645.60 is: 8,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.28 : 13,401.84 = 5,645.60 : x
  2. Step 2: Convert to fraction form
    8,935.28/13,401.84 = 5,645.60/x
  3. Step 3: Cross multiply
    8,935.28x = 13,401.84 × 5,645.60
  4. Step 4: Simplify right side
    8,935.28x = 75,661,427.90
  5. Step 5: Solve for x
    x = 75,661,427.90/8,935.28
  6. Step 6: Final answer
    x = 8,467.72

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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.