Home / 5,252.36-7,878.68-1,742.36

Finding the Fourth Proportional to 5,252.36, 7,878.68 and 1,742.36

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Solution

The fourth proportional to 5,252.36, 7,878.68 and 1,742.36 is: 2,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.36 : 7,878.68 = 1,742.36 : x
  2. Step 2: Convert to fraction form
    5,252.36/7,878.68 = 1,742.36/x
  3. Step 3: Cross multiply
    5,252.36x = 7,878.68 × 1,742.36
  4. Step 4: Simplify right side
    5,252.36x = 13,727,496.88
  5. Step 5: Solve for x
    x = 13,727,496.88/5,252.36
  6. Step 6: Final answer
    x = 2,613.59

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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.