Home / 7,003.20-10,496.64-5,625.12

Finding the Fourth Proportional to 7,003.20, 10,496.64 and 5,625.12

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Solution

The fourth proportional to 7,003.20, 10,496.64 and 5,625.12 is: 8,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.20 : 10,496.64 = 5,625.12 : x
  2. Step 2: Convert to fraction form
    7,003.20/10,496.64 = 5,625.12/x
  3. Step 3: Cross multiply
    7,003.20x = 10,496.64 × 5,625.12
  4. Step 4: Simplify right side
    7,003.20x = 59,044,859.60
  5. Step 5: Solve for x
    x = 59,044,859.60/7,003.20
  6. Step 6: Final answer
    x = 8,431.13

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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.