Home / 5,503.80-8,266.68-3,316.80

Finding the Fourth Proportional to 5,503.80, 8,266.68 and 3,316.80

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Solution

The fourth proportional to 5,503.80, 8,266.68 and 3,316.80 is: 4,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.80 : 8,266.68 = 3,316.80 : x
  2. Step 2: Convert to fraction form
    5,503.80/8,266.68 = 3,316.80/x
  3. Step 3: Cross multiply
    5,503.80x = 8,266.68 × 3,316.80
  4. Step 4: Simplify right side
    5,503.80x = 27,418,924.22
  5. Step 5: Solve for x
    x = 27,418,924.22/5,503.80
  6. Step 6: Final answer
    x = 4,981.82

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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.