Home / 4,184.60-6,275.10-2,103.80

Finding the Fourth Proportional to 4,184.60, 6,275.10 and 2,103.80

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Solution

The fourth proportional to 4,184.60, 6,275.10 and 2,103.80 is: 3,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.60 : 6,275.10 = 2,103.80 : x
  2. Step 2: Convert to fraction form
    4,184.60/6,275.10 = 2,103.80/x
  3. Step 3: Cross multiply
    4,184.60x = 6,275.10 × 2,103.80
  4. Step 4: Simplify right side
    4,184.60x = 13,201,555.38
  5. Step 5: Solve for x
    x = 13,201,555.38/4,184.60
  6. Step 6: Final answer
    x = 3,154.80

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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.