Home / 9,340.83-12,901.41-6,818.85

Finding the Fourth Proportional to 9,340.83, 12,901.41 and 6,818.85

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Solution

The fourth proportional to 9,340.83, 12,901.41 and 6,818.85 is: 9,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.83 : 12,901.41 = 6,818.85 : x
  2. Step 2: Convert to fraction form
    9,340.83/12,901.41 = 6,818.85/x
  3. Step 3: Cross multiply
    9,340.83x = 12,901.41 × 6,818.85
  4. Step 4: Simplify right side
    9,340.83x = 87,972,779.58
  5. Step 5: Solve for x
    x = 87,972,779.58/9,340.83
  6. Step 6: Final answer
    x = 9,418.09

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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.