Home / 8,518.45-12,779.57-2,595.87

Finding the Fourth Proportional to 8,518.45, 12,779.57 and 2,595.87

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Solution

The fourth proportional to 8,518.45, 12,779.57 and 2,595.87 is: 3,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.45 : 12,779.57 = 2,595.87 : x
  2. Step 2: Convert to fraction form
    8,518.45/12,779.57 = 2,595.87/x
  3. Step 3: Cross multiply
    8,518.45x = 12,779.57 × 2,595.87
  4. Step 4: Simplify right side
    8,518.45x = 33,174,055.72
  5. Step 5: Solve for x
    x = 33,174,055.72/8,518.45
  6. Step 6: Final answer
    x = 3,894.38

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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.