Home / 8,740.32-13,104.08-5,623.84

Finding the Fourth Proportional to 8,740.32, 13,104.08 and 5,623.84

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Solution

The fourth proportional to 8,740.32, 13,104.08 and 5,623.84 is: 8,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.32 : 13,104.08 = 5,623.84 : x
  2. Step 2: Convert to fraction form
    8,740.32/13,104.08 = 5,623.84/x
  3. Step 3: Cross multiply
    8,740.32x = 13,104.08 × 5,623.84
  4. Step 4: Simplify right side
    8,740.32x = 73,695,249.27
  5. Step 5: Solve for x
    x = 73,695,249.27/8,740.32
  6. Step 6: Final answer
    x = 8,431.64

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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.