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Finding the Fourth Proportional to 8,130.03, 11,217.96 and 4,772.99

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Solution

The fourth proportional to 8,130.03, 11,217.96 and 4,772.99 is: 6,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.03 : 11,217.96 = 4,772.99 : x
  2. Step 2: Convert to fraction form
    8,130.03/11,217.96 = 4,772.99/x
  3. Step 3: Cross multiply
    8,130.03x = 11,217.96 × 4,772.99
  4. Step 4: Simplify right side
    8,130.03x = 53,543,154.81
  5. Step 5: Solve for x
    x = 53,543,154.81/8,130.03
  6. Step 6: Final answer
    x = 6,585.85

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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.