Home / 5,359.80-8,045.10-2,588.70

Finding the Fourth Proportional to 5,359.80, 8,045.10 and 2,588.70

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Solution

The fourth proportional to 5,359.80, 8,045.10 and 2,588.70 is: 3,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.80 : 8,045.10 = 2,588.70 : x
  2. Step 2: Convert to fraction form
    5,359.80/8,045.10 = 2,588.70/x
  3. Step 3: Cross multiply
    5,359.80x = 8,045.10 × 2,588.70
  4. Step 4: Simplify right side
    5,359.80x = 20,826,350.37
  5. Step 5: Solve for x
    x = 20,826,350.37/5,359.80
  6. Step 6: Final answer
    x = 3,885.66

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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.