Home / 8,828.11-13,235.86-4,145.50

Finding the Fourth Proportional to 8,828.11, 13,235.86 and 4,145.50

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Solution

The fourth proportional to 8,828.11, 13,235.86 and 4,145.50 is: 6,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.11 : 13,235.86 = 4,145.50 : x
  2. Step 2: Convert to fraction form
    8,828.11/13,235.86 = 4,145.50/x
  3. Step 3: Cross multiply
    8,828.11x = 13,235.86 × 4,145.50
  4. Step 4: Simplify right side
    8,828.11x = 54,869,257.63
  5. Step 5: Solve for x
    x = 54,869,257.63/8,828.11
  6. Step 6: Final answer
    x = 6,215.29

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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.