Home / 8,824.18-13,240.90-3,897.20

Finding the Fourth Proportional to 8,824.18, 13,240.90 and 3,897.20

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Solution

The fourth proportional to 8,824.18, 13,240.90 and 3,897.20 is: 5,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.18 : 13,240.90 = 3,897.20 : x
  2. Step 2: Convert to fraction form
    8,824.18/13,240.90 = 3,897.20/x
  3. Step 3: Cross multiply
    8,824.18x = 13,240.90 × 3,897.20
  4. Step 4: Simplify right side
    8,824.18x = 51,602,435.48
  5. Step 5: Solve for x
    x = 51,602,435.48/8,824.18
  6. Step 6: Final answer
    x = 5,847.84

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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.