Home / 8,484.23-12,731.30-3,553.45

Finding the Fourth Proportional to 8,484.23, 12,731.30 and 3,553.45

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Solution

The fourth proportional to 8,484.23, 12,731.30 and 3,553.45 is: 5,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.23 : 12,731.30 = 3,553.45 : x
  2. Step 2: Convert to fraction form
    8,484.23/12,731.30 = 3,553.45/x
  3. Step 3: Cross multiply
    8,484.23x = 12,731.30 × 3,553.45
  4. Step 4: Simplify right side
    8,484.23x = 45,240,037.99
  5. Step 5: Solve for x
    x = 45,240,037.99/8,484.23
  6. Step 6: Final answer
    x = 5,332.25

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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.