Home / 5,550.16-8,328.48-3,988.48

Finding the Fourth Proportional to 5,550.16, 8,328.48 and 3,988.48

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Solution

The fourth proportional to 5,550.16, 8,328.48 and 3,988.48 is: 5,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.16 : 8,328.48 = 3,988.48 : x
  2. Step 2: Convert to fraction form
    5,550.16/8,328.48 = 3,988.48/x
  3. Step 3: Cross multiply
    5,550.16x = 8,328.48 × 3,988.48
  4. Step 4: Simplify right side
    5,550.16x = 33,217,975.91
  5. Step 5: Solve for x
    x = 33,217,975.91/5,550.16
  6. Step 6: Final answer
    x = 5,985.05

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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.