Home / 8,373.36-12,555.72-3,442.08

Finding the Fourth Proportional to 8,373.36, 12,555.72 and 3,442.08

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Solution

The fourth proportional to 8,373.36, 12,555.72 and 3,442.08 is: 5,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.36 : 12,555.72 = 3,442.08 : x
  2. Step 2: Convert to fraction form
    8,373.36/12,555.72 = 3,442.08/x
  3. Step 3: Cross multiply
    8,373.36x = 12,555.72 × 3,442.08
  4. Step 4: Simplify right side
    8,373.36x = 43,217,792.70
  5. Step 5: Solve for x
    x = 43,217,792.70/8,373.36
  6. Step 6: Final answer
    x = 5,161.34

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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.