Home / 5,407.72-8,110.34-2,483.21

Finding the Fourth Proportional to 5,407.72, 8,110.34 and 2,483.21

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Solution

The fourth proportional to 5,407.72, 8,110.34 and 2,483.21 is: 3,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.72 : 8,110.34 = 2,483.21 : x
  2. Step 2: Convert to fraction form
    5,407.72/8,110.34 = 2,483.21/x
  3. Step 3: Cross multiply
    5,407.72x = 8,110.34 × 2,483.21
  4. Step 4: Simplify right side
    5,407.72x = 20,139,677.39
  5. Step 5: Solve for x
    x = 20,139,677.39/5,407.72
  6. Step 6: Final answer
    x = 3,724.25

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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.