Home / 8,518.10-12,777.14-2,675.16

Finding the Fourth Proportional to 8,518.10, 12,777.14 and 2,675.16

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Solution

The fourth proportional to 8,518.10, 12,777.14 and 2,675.16 is: 4,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.10 : 12,777.14 = 2,675.16 : x
  2. Step 2: Convert to fraction form
    8,518.10/12,777.14 = 2,675.16/x
  3. Step 3: Cross multiply
    8,518.10x = 12,777.14 × 2,675.16
  4. Step 4: Simplify right side
    8,518.10x = 34,180,880.47
  5. Step 5: Solve for x
    x = 34,180,880.47/8,518.10
  6. Step 6: Final answer
    x = 4,012.74

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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.