Home / 8,934.60-13,392.30-3,385.80

Finding the Fourth Proportional to 8,934.60, 13,392.30 and 3,385.80

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Solution

The fourth proportional to 8,934.60, 13,392.30 and 3,385.80 is: 5,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.60 : 13,392.30 = 3,385.80 : x
  2. Step 2: Convert to fraction form
    8,934.60/13,392.30 = 3,385.80/x
  3. Step 3: Cross multiply
    8,934.60x = 13,392.30 × 3,385.80
  4. Step 4: Simplify right side
    8,934.60x = 45,343,649.34
  5. Step 5: Solve for x
    x = 45,343,649.34/8,934.60
  6. Step 6: Final answer
    x = 5,075.06

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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.