Home / 8,755.46-13,133.19-3,210.06

Finding the Fourth Proportional to 8,755.46, 13,133.19 and 3,210.06

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Solution

The fourth proportional to 8,755.46, 13,133.19 and 3,210.06 is: 4,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.46 : 13,133.19 = 3,210.06 : x
  2. Step 2: Convert to fraction form
    8,755.46/13,133.19 = 3,210.06/x
  3. Step 3: Cross multiply
    8,755.46x = 13,133.19 × 3,210.06
  4. Step 4: Simplify right side
    8,755.46x = 42,158,327.89
  5. Step 5: Solve for x
    x = 42,158,327.89/8,755.46
  6. Step 6: Final answer
    x = 4,815.09

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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.