Home / 8,515.24-12,776.48-3,585.96

Finding the Fourth Proportional to 8,515.24, 12,776.48 and 3,585.96

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Solution

The fourth proportional to 8,515.24, 12,776.48 and 3,585.96 is: 5,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.24 : 12,776.48 = 3,585.96 : x
  2. Step 2: Convert to fraction form
    8,515.24/12,776.48 = 3,585.96/x
  3. Step 3: Cross multiply
    8,515.24x = 12,776.48 × 3,585.96
  4. Step 4: Simplify right side
    8,515.24x = 45,815,946.22
  5. Step 5: Solve for x
    x = 45,815,946.22/8,515.24
  6. Step 6: Final answer
    x = 5,380.46

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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.