Home / 4,885.80-7,316.55-3,913.80

Finding the Fourth Proportional to 4,885.80, 7,316.55 and 3,913.80

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Solution

The fourth proportional to 4,885.80, 7,316.55 and 3,913.80 is: 5,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.80 : 7,316.55 = 3,913.80 : x
  2. Step 2: Convert to fraction form
    4,885.80/7,316.55 = 3,913.80/x
  3. Step 3: Cross multiply
    4,885.80x = 7,316.55 × 3,913.80
  4. Step 4: Simplify right side
    4,885.80x = 28,635,513.39
  5. Step 5: Solve for x
    x = 28,635,513.39/4,885.80
  6. Step 6: Final answer
    x = 5,860.97

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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.