Home / 8,335.14-12,488.31-4,427.70

Finding the Fourth Proportional to 8,335.14, 12,488.31 and 4,427.70

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Solution

The fourth proportional to 8,335.14, 12,488.31 and 4,427.70 is: 6,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.14 : 12,488.31 = 4,427.70 : x
  2. Step 2: Convert to fraction form
    8,335.14/12,488.31 = 4,427.70/x
  3. Step 3: Cross multiply
    8,335.14x = 12,488.31 × 4,427.70
  4. Step 4: Simplify right side
    8,335.14x = 55,294,490.19
  5. Step 5: Solve for x
    x = 55,294,490.19/8,335.14
  6. Step 6: Final answer
    x = 6,633.90

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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.