Home / 8,855.63-13,283.40-3,590.56

Finding the Fourth Proportional to 8,855.63, 13,283.40 and 3,590.56

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Solution

The fourth proportional to 8,855.63, 13,283.40 and 3,590.56 is: 5,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.63 : 13,283.40 = 3,590.56 : x
  2. Step 2: Convert to fraction form
    8,855.63/13,283.40 = 3,590.56/x
  3. Step 3: Cross multiply
    8,855.63x = 13,283.40 × 3,590.56
  4. Step 4: Simplify right side
    8,855.63x = 47,694,844.70
  5. Step 5: Solve for x
    x = 47,694,844.70/8,855.63
  6. Step 6: Final answer
    x = 5,385.82

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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.