Home / 5,775.08-8,663.52-1,878.57

Finding the Fourth Proportional to 5,775.08, 8,663.52 and 1,878.57

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Solution

The fourth proportional to 5,775.08, 8,663.52 and 1,878.57 is: 2,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.08 : 8,663.52 = 1,878.57 : x
  2. Step 2: Convert to fraction form
    5,775.08/8,663.52 = 1,878.57/x
  3. Step 3: Cross multiply
    5,775.08x = 8,663.52 × 1,878.57
  4. Step 4: Simplify right side
    5,775.08x = 16,275,028.77
  5. Step 5: Solve for x
    x = 16,275,028.77/5,775.08
  6. Step 6: Final answer
    x = 2,818.15

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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.