Home / 8,282.53-12,395.13-5,118.67

Finding the Fourth Proportional to 8,282.53, 12,395.13 and 5,118.67

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Solution

The fourth proportional to 8,282.53, 12,395.13 and 5,118.67 is: 7,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.53 : 12,395.13 = 5,118.67 : x
  2. Step 2: Convert to fraction form
    8,282.53/12,395.13 = 5,118.67/x
  3. Step 3: Cross multiply
    8,282.53x = 12,395.13 × 5,118.67
  4. Step 4: Simplify right side
    8,282.53x = 63,446,580.08
  5. Step 5: Solve for x
    x = 63,446,580.08/8,282.53
  6. Step 6: Final answer
    x = 7,660.29

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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.