Home / 8,813.92-12,163.59-5,276.45

Finding the Fourth Proportional to 8,813.92, 12,163.59 and 5,276.45

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Solution

The fourth proportional to 8,813.92, 12,163.59 and 5,276.45 is: 7,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.92 : 12,163.59 = 5,276.45 : x
  2. Step 2: Convert to fraction form
    8,813.92/12,163.59 = 5,276.45/x
  3. Step 3: Cross multiply
    8,813.92x = 12,163.59 × 5,276.45
  4. Step 4: Simplify right side
    8,813.92x = 64,180,574.46
  5. Step 5: Solve for x
    x = 64,180,574.46/8,813.92
  6. Step 6: Final answer
    x = 7,281.73

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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.