Home / 5,467.77-7,543.33-3,109.46

Finding the Fourth Proportional to 5,467.77, 7,543.33 and 3,109.46

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Solution

The fourth proportional to 5,467.77, 7,543.33 and 3,109.46 is: 4,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,467.77 : 7,543.33 = 3,109.46 : x
  2. Step 2: Convert to fraction form
    5,467.77/7,543.33 = 3,109.46/x
  3. Step 3: Cross multiply
    5,467.77x = 7,543.33 × 3,109.46
  4. Step 4: Simplify right side
    5,467.77x = 23,455,637.41
  5. Step 5: Solve for x
    x = 23,455,637.41/5,467.77
  6. Step 6: Final answer
    x = 4,289.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.