Home / 8,512.48-12,742.32-4,607.20

Finding the Fourth Proportional to 8,512.48, 12,742.32 and 4,607.20

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Solution

The fourth proportional to 8,512.48, 12,742.32 and 4,607.20 is: 6,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.48 : 12,742.32 = 4,607.20 : x
  2. Step 2: Convert to fraction form
    8,512.48/12,742.32 = 4,607.20/x
  3. Step 3: Cross multiply
    8,512.48x = 12,742.32 × 4,607.20
  4. Step 4: Simplify right side
    8,512.48x = 58,706,416.70
  5. Step 5: Solve for x
    x = 58,706,416.70/8,512.48
  6. Step 6: Final answer
    x = 6,896.51

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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.