Home / 8,318.81-11,479.77-4,541.83

Finding the Fourth Proportional to 8,318.81, 11,479.77 and 4,541.83

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Solution

The fourth proportional to 8,318.81, 11,479.77 and 4,541.83 is: 6,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.81 : 11,479.77 = 4,541.83 : x
  2. Step 2: Convert to fraction form
    8,318.81/11,479.77 = 4,541.83/x
  3. Step 3: Cross multiply
    8,318.81x = 11,479.77 × 4,541.83
  4. Step 4: Simplify right side
    8,318.81x = 52,139,163.78
  5. Step 5: Solve for x
    x = 52,139,163.78/8,318.81
  6. Step 6: Final answer
    x = 6,267.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.