Home / 4,782.10-7,165.05-3,137.80

Finding the Fourth Proportional to 4,782.10, 7,165.05 and 3,137.80

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Solution

The fourth proportional to 4,782.10, 7,165.05 and 3,137.80 is: 4,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.10 : 7,165.05 = 3,137.80 : x
  2. Step 2: Convert to fraction form
    4,782.10/7,165.05 = 3,137.80/x
  3. Step 3: Cross multiply
    4,782.10x = 7,165.05 × 3,137.80
  4. Step 4: Simplify right side
    4,782.10x = 22,482,493.89
  5. Step 5: Solve for x
    x = 22,482,493.89/4,782.10
  6. Step 6: Final answer
    x = 4,701.39

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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.