Home / 8,813.20-13,234.20-5,904.40

Finding the Fourth Proportional to 8,813.20, 13,234.20 and 5,904.40

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Solution

The fourth proportional to 8,813.20, 13,234.20 and 5,904.40 is: 8,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.20 : 13,234.20 = 5,904.40 : x
  2. Step 2: Convert to fraction form
    8,813.20/13,234.20 = 5,904.40/x
  3. Step 3: Cross multiply
    8,813.20x = 13,234.20 × 5,904.40
  4. Step 4: Simplify right side
    8,813.20x = 78,140,010.48
  5. Step 5: Solve for x
    x = 78,140,010.48/8,813.20
  6. Step 6: Final answer
    x = 8,866.25

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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.