Home / 5,775.09-8,663.49-1,878.54

Finding the Fourth Proportional to 5,775.09, 8,663.49 and 1,878.54

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Solution

The fourth proportional to 5,775.09, 8,663.49 and 1,878.54 is: 2,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.09 : 8,663.49 = 1,878.54 : x
  2. Step 2: Convert to fraction form
    5,775.09/8,663.49 = 1,878.54/x
  3. Step 3: Cross multiply
    5,775.09x = 8,663.49 × 1,878.54
  4. Step 4: Simplify right side
    5,775.09x = 16,274,712.50
  5. Step 5: Solve for x
    x = 16,274,712.50/5,775.09
  6. Step 6: Final answer
    x = 2,818.09

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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.