Home / 8,775.30-13,166.55-3,231.30

Finding the Fourth Proportional to 8,775.30, 13,166.55 and 3,231.30

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Solution

The fourth proportional to 8,775.30, 13,166.55 and 3,231.30 is: 4,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.30 : 13,166.55 = 3,231.30 : x
  2. Step 2: Convert to fraction form
    8,775.30/13,166.55 = 3,231.30/x
  3. Step 3: Cross multiply
    8,775.30x = 13,166.55 × 3,231.30
  4. Step 4: Simplify right side
    8,775.30x = 42,545,073.02
  5. Step 5: Solve for x
    x = 42,545,073.02/8,775.30
  6. Step 6: Final answer
    x = 4,848.28

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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.