Home / 8,780.58-13,153.50-4,614.36

Finding the Fourth Proportional to 8,780.58, 13,153.50 and 4,614.36

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Solution

The fourth proportional to 8,780.58, 13,153.50 and 4,614.36 is: 6,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.58 : 13,153.50 = 4,614.36 : x
  2. Step 2: Convert to fraction form
    8,780.58/13,153.50 = 4,614.36/x
  3. Step 3: Cross multiply
    8,780.58x = 13,153.50 × 4,614.36
  4. Step 4: Simplify right side
    8,780.58x = 60,694,984.26
  5. Step 5: Solve for x
    x = 60,694,984.26/8,780.58
  6. Step 6: Final answer
    x = 6,912.41

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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.