Home / 5,412.48-8,113.92-2,637.60

Finding the Fourth Proportional to 5,412.48, 8,113.92 and 2,637.60

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Solution

The fourth proportional to 5,412.48, 8,113.92 and 2,637.60 is: 3,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.48 : 8,113.92 = 2,637.60 : x
  2. Step 2: Convert to fraction form
    5,412.48/8,113.92 = 2,637.60/x
  3. Step 3: Cross multiply
    5,412.48x = 8,113.92 × 2,637.60
  4. Step 4: Simplify right side
    5,412.48x = 21,401,275.39
  5. Step 5: Solve for x
    x = 21,401,275.39/5,412.48
  6. Step 6: Final answer
    x = 3,954.06

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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.