Home / 8,833.60-13,240.80-3,902.40

Finding the Fourth Proportional to 8,833.60, 13,240.80 and 3,902.40

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Solution

The fourth proportional to 8,833.60, 13,240.80 and 3,902.40 is: 5,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.60 : 13,240.80 = 3,902.40 : x
  2. Step 2: Convert to fraction form
    8,833.60/13,240.80 = 3,902.40/x
  3. Step 3: Cross multiply
    8,833.60x = 13,240.80 × 3,902.40
  4. Step 4: Simplify right side
    8,833.60x = 51,670,897.92
  5. Step 5: Solve for x
    x = 51,670,897.92/8,833.60
  6. Step 6: Final answer
    x = 5,849.36

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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.