Home / 5,595.78-8,382.72-4,290.87

Finding the Fourth Proportional to 5,595.78, 8,382.72 and 4,290.87

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Solution

The fourth proportional to 5,595.78, 8,382.72 and 4,290.87 is: 6,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.78 : 8,382.72 = 4,290.87 : x
  2. Step 2: Convert to fraction form
    5,595.78/8,382.72 = 4,290.87/x
  3. Step 3: Cross multiply
    5,595.78x = 8,382.72 × 4,290.87
  4. Step 4: Simplify right side
    5,595.78x = 35,969,161.77
  5. Step 5: Solve for x
    x = 35,969,161.77/5,595.78
  6. Step 6: Final answer
    x = 6,427.91

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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.