Home / 8,518.89-12,777.90-2,595.51

Finding the Fourth Proportional to 8,518.89, 12,777.90 and 2,595.51

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Solution

The fourth proportional to 8,518.89, 12,777.90 and 2,595.51 is: 3,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.89 : 12,777.90 = 2,595.51 : x
  2. Step 2: Convert to fraction form
    8,518.89/12,777.90 = 2,595.51/x
  3. Step 3: Cross multiply
    8,518.89x = 12,777.90 × 2,595.51
  4. Step 4: Simplify right side
    8,518.89x = 33,165,167.23
  5. Step 5: Solve for x
    x = 33,165,167.23/8,518.89
  6. Step 6: Final answer
    x = 3,893.13

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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.