Home / 6,117.62-8,442.91-3,429.30

Finding the Fourth Proportional to 6,117.62, 8,442.91 and 3,429.30

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Solution

The fourth proportional to 6,117.62, 8,442.91 and 3,429.30 is: 4,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.62 : 8,442.91 = 3,429.30 : x
  2. Step 2: Convert to fraction form
    6,117.62/8,442.91 = 3,429.30/x
  3. Step 3: Cross multiply
    6,117.62x = 8,442.91 × 3,429.30
  4. Step 4: Simplify right side
    6,117.62x = 28,953,220.48
  5. Step 5: Solve for x
    x = 28,953,220.48/6,117.62
  6. Step 6: Final answer
    x = 4,732.76

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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.