Home / 4,570.20-6,855.30-4,132.80

Finding the Fourth Proportional to 4,570.20, 6,855.30 and 4,132.80

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Solution

The fourth proportional to 4,570.20, 6,855.30 and 4,132.80 is: 6,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.20 : 6,855.30 = 4,132.80 : x
  2. Step 2: Convert to fraction form
    4,570.20/6,855.30 = 4,132.80/x
  3. Step 3: Cross multiply
    4,570.20x = 6,855.30 × 4,132.80
  4. Step 4: Simplify right side
    4,570.20x = 28,331,583.84
  5. Step 5: Solve for x
    x = 28,331,583.84/4,570.20
  6. Step 6: Final answer
    x = 6,199.20

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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.