Home / 8,817.90-13,226.29-4,138.93

Finding the Fourth Proportional to 8,817.90, 13,226.29 and 4,138.93

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Solution

The fourth proportional to 8,817.90, 13,226.29 and 4,138.93 is: 6,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.90 : 13,226.29 = 4,138.93 : x
  2. Step 2: Convert to fraction form
    8,817.90/13,226.29 = 4,138.93/x
  3. Step 3: Cross multiply
    8,817.90x = 13,226.29 × 4,138.93
  4. Step 4: Simplify right side
    8,817.90x = 54,742,694.66
  5. Step 5: Solve for x
    x = 54,742,694.66/8,817.90
  6. Step 6: Final answer
    x = 6,208.14

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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.