Home / 8,163.67-12,248.55-4,651.51

Finding the Fourth Proportional to 8,163.67, 12,248.55 and 4,651.51

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Solution

The fourth proportional to 8,163.67, 12,248.55 and 4,651.51 is: 6,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.67 : 12,248.55 = 4,651.51 : x
  2. Step 2: Convert to fraction form
    8,163.67/12,248.55 = 4,651.51/x
  3. Step 3: Cross multiply
    8,163.67x = 12,248.55 × 4,651.51
  4. Step 4: Simplify right side
    8,163.67x = 56,974,252.81
  5. Step 5: Solve for x
    x = 56,974,252.81/8,163.67
  6. Step 6: Final answer
    x = 6,979.00

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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.