Home / 8,808.98-12,150.07-5,450.72

Finding the Fourth Proportional to 8,808.98, 12,150.07 and 5,450.72

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Solution

The fourth proportional to 8,808.98, 12,150.07 and 5,450.72 is: 7,518.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.98 : 12,150.07 = 5,450.72 : x
  2. Step 2: Convert to fraction form
    8,808.98/12,150.07 = 5,450.72/x
  3. Step 3: Cross multiply
    8,808.98x = 12,150.07 × 5,450.72
  4. Step 4: Simplify right side
    8,808.98x = 66,226,555.17
  5. Step 5: Solve for x
    x = 66,226,555.17/8,808.98
  6. Step 6: Final answer
    x = 7,518.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.