Home / 8,325.58-12,488.31-3,395.20

Finding the Fourth Proportional to 8,325.58, 12,488.31 and 3,395.20

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Solution

The fourth proportional to 8,325.58, 12,488.31 and 3,395.20 is: 5,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.58 : 12,488.31 = 3,395.20 : x
  2. Step 2: Convert to fraction form
    8,325.58/12,488.31 = 3,395.20/x
  3. Step 3: Cross multiply
    8,325.58x = 12,488.31 × 3,395.20
  4. Step 4: Simplify right side
    8,325.58x = 42,400,247.67
  5. Step 5: Solve for x
    x = 42,400,247.67/8,325.58
  6. Step 6: Final answer
    x = 5,092.77

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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.