Home / 5,519.60-8,280.77-1,624.01

Finding the Fourth Proportional to 5,519.60, 8,280.77 and 1,624.01

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Solution

The fourth proportional to 5,519.60, 8,280.77 and 1,624.01 is: 2,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.60 : 8,280.77 = 1,624.01 : x
  2. Step 2: Convert to fraction form
    5,519.60/8,280.77 = 1,624.01/x
  3. Step 3: Cross multiply
    5,519.60x = 8,280.77 × 1,624.01
  4. Step 4: Simplify right side
    5,519.60x = 13,448,065.87
  5. Step 5: Solve for x
    x = 13,448,065.87/5,519.60
  6. Step 6: Final answer
    x = 2,436.42

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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.