Home / 8,518.29-12,777.98-2,675.13

Finding the Fourth Proportional to 8,518.29, 12,777.98 and 2,675.13

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Solution

The fourth proportional to 8,518.29, 12,777.98 and 2,675.13 is: 4,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.29 : 12,777.98 = 2,675.13 : x
  2. Step 2: Convert to fraction form
    8,518.29/12,777.98 = 2,675.13/x
  3. Step 3: Cross multiply
    8,518.29x = 12,777.98 × 2,675.13
  4. Step 4: Simplify right side
    8,518.29x = 34,182,744.26
  5. Step 5: Solve for x
    x = 34,182,744.26/8,518.29
  6. Step 6: Final answer
    x = 4,012.86

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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.