Home / 5,550.80-8,319.76-2,259.52

Finding the Fourth Proportional to 5,550.80, 8,319.76 and 2,259.52

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Solution

The fourth proportional to 5,550.80, 8,319.76 and 2,259.52 is: 3,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.80 : 8,319.76 = 2,259.52 : x
  2. Step 2: Convert to fraction form
    5,550.80/8,319.76 = 2,259.52/x
  3. Step 3: Cross multiply
    5,550.80x = 8,319.76 × 2,259.52
  4. Step 4: Simplify right side
    5,550.80x = 18,798,664.12
  5. Step 5: Solve for x
    x = 18,798,664.12/5,550.80
  6. Step 6: Final answer
    x = 3,386.66

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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.