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Finding the Fourth Proportional to 8,483.11, 12,711.69 and 4,534.93

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Solution

The fourth proportional to 8,483.11, 12,711.69 and 4,534.93 is: 6,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.11 : 12,711.69 = 4,534.93 : x
  2. Step 2: Convert to fraction form
    8,483.11/12,711.69 = 4,534.93/x
  3. Step 3: Cross multiply
    8,483.11x = 12,711.69 × 4,534.93
  4. Step 4: Simplify right side
    8,483.11x = 57,646,624.33
  5. Step 5: Solve for x
    x = 57,646,624.33/8,483.11
  6. Step 6: Final answer
    x = 6,795.46

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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.