Home / 8,774.20-13,152.90-2,927.80

Finding the Fourth Proportional to 8,774.20, 13,152.90 and 2,927.80

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Solution

The fourth proportional to 8,774.20, 13,152.90 and 2,927.80 is: 4,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.20 : 13,152.90 = 2,927.80 : x
  2. Step 2: Convert to fraction form
    8,774.20/13,152.90 = 2,927.80/x
  3. Step 3: Cross multiply
    8,774.20x = 13,152.90 × 2,927.80
  4. Step 4: Simplify right side
    8,774.20x = 38,509,060.62
  5. Step 5: Solve for x
    x = 38,509,060.62/8,774.20
  6. Step 6: Final answer
    x = 4,388.90

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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.