Home / 4,186.60-6,271.80-2,453.20

Finding the Fourth Proportional to 4,186.60, 6,271.80 and 2,453.20

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Solution

The fourth proportional to 4,186.60, 6,271.80 and 2,453.20 is: 3,675.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.60 : 6,271.80 = 2,453.20 : x
  2. Step 2: Convert to fraction form
    4,186.60/6,271.80 = 2,453.20/x
  3. Step 3: Cross multiply
    4,186.60x = 6,271.80 × 2,453.20
  4. Step 4: Simplify right side
    4,186.60x = 15,385,979.76
  5. Step 5: Solve for x
    x = 15,385,979.76/4,186.60
  6. Step 6: Final answer
    x = 3,675.05

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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.