Home / 5,500.77-8,250.54-1,605.21

Finding the Fourth Proportional to 5,500.77, 8,250.54 and 1,605.21

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Solution

The fourth proportional to 5,500.77, 8,250.54 and 1,605.21 is: 2,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.77 : 8,250.54 = 1,605.21 : x
  2. Step 2: Convert to fraction form
    5,500.77/8,250.54 = 1,605.21/x
  3. Step 3: Cross multiply
    5,500.77x = 8,250.54 × 1,605.21
  4. Step 4: Simplify right side
    5,500.77x = 13,243,849.31
  5. Step 5: Solve for x
    x = 13,243,849.31/5,500.77
  6. Step 6: Final answer
    x = 2,407.64

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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.