Home / 8,742.48-13,114.44-3,547.68

Finding the Fourth Proportional to 8,742.48, 13,114.44 and 3,547.68

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Solution

The fourth proportional to 8,742.48, 13,114.44 and 3,547.68 is: 5,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.48 : 13,114.44 = 3,547.68 : x
  2. Step 2: Convert to fraction form
    8,742.48/13,114.44 = 3,547.68/x
  3. Step 3: Cross multiply
    8,742.48x = 13,114.44 × 3,547.68
  4. Step 4: Simplify right side
    8,742.48x = 46,525,836.50
  5. Step 5: Solve for x
    x = 46,525,836.50/8,742.48
  6. Step 6: Final answer
    x = 5,321.81

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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.