Home / 5,637.72-8,449.20-2,518.68

Finding the Fourth Proportional to 5,637.72, 8,449.20 and 2,518.68

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Solution

The fourth proportional to 5,637.72, 8,449.20 and 2,518.68 is: 3,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.72 : 8,449.20 = 2,518.68 : x
  2. Step 2: Convert to fraction form
    5,637.72/8,449.20 = 2,518.68/x
  3. Step 3: Cross multiply
    5,637.72x = 8,449.20 × 2,518.68
  4. Step 4: Simplify right side
    5,637.72x = 21,280,831.06
  5. Step 5: Solve for x
    x = 21,280,831.06/5,637.72
  6. Step 6: Final answer
    x = 3,774.72

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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.