Home / 5,407.50-8,111.77-2,486.62

Finding the Fourth Proportional to 5,407.50, 8,111.77 and 2,486.62

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Solution

The fourth proportional to 5,407.50, 8,111.77 and 2,486.62 is: 3,730.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.50 : 8,111.77 = 2,486.62 : x
  2. Step 2: Convert to fraction form
    5,407.50/8,111.77 = 2,486.62/x
  3. Step 3: Cross multiply
    5,407.50x = 8,111.77 × 2,486.62
  4. Step 4: Simplify right side
    5,407.50x = 20,170,889.52
  5. Step 5: Solve for x
    x = 20,170,889.52/5,407.50
  6. Step 6: Final answer
    x = 3,730.17

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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.