Home / 5,513.04-8,269.92-1,815.60

Finding the Fourth Proportional to 5,513.04, 8,269.92 and 1,815.60

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Solution

The fourth proportional to 5,513.04, 8,269.92 and 1,815.60 is: 2,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.04 : 8,269.92 = 1,815.60 : x
  2. Step 2: Convert to fraction form
    5,513.04/8,269.92 = 1,815.60/x
  3. Step 3: Cross multiply
    5,513.04x = 8,269.92 × 1,815.60
  4. Step 4: Simplify right side
    5,513.04x = 15,014,866.75
  5. Step 5: Solve for x
    x = 15,014,866.75/5,513.04
  6. Step 6: Final answer
    x = 2,723.52

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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.