Home / 8,162.67-12,247.05-4,650.51

Finding the Fourth Proportional to 8,162.67, 12,247.05 and 4,650.51

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Solution

The fourth proportional to 8,162.67, 12,247.05 and 4,650.51 is: 6,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.67 : 12,247.05 = 4,650.51 : x
  2. Step 2: Convert to fraction form
    8,162.67/12,247.05 = 4,650.51/x
  3. Step 3: Cross multiply
    8,162.67x = 12,247.05 × 4,650.51
  4. Step 4: Simplify right side
    8,162.67x = 56,955,028.50
  5. Step 5: Solve for x
    x = 56,955,028.50/8,162.67
  6. Step 6: Final answer
    x = 6,977.50

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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.