Home / 8,823.18-13,239.40-3,896.20

Finding the Fourth Proportional to 8,823.18, 13,239.40 and 3,896.20

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Solution

The fourth proportional to 8,823.18, 13,239.40 and 3,896.20 is: 5,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.18 : 13,239.40 = 3,896.20 : x
  2. Step 2: Convert to fraction form
    8,823.18/13,239.40 = 3,896.20/x
  3. Step 3: Cross multiply
    8,823.18x = 13,239.40 × 3,896.20
  4. Step 4: Simplify right side
    8,823.18x = 51,583,364.39
  5. Step 5: Solve for x
    x = 51,583,364.39/8,823.18
  6. Step 6: Final answer
    x = 5,846.35

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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.