Home / 8,461.66-11,677.11-4,685.09

Finding the Fourth Proportional to 8,461.66, 11,677.11 and 4,685.09

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Solution

The fourth proportional to 8,461.66, 11,677.11 and 4,685.09 is: 6,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.66 : 11,677.11 = 4,685.09 : x
  2. Step 2: Convert to fraction form
    8,461.66/11,677.11 = 4,685.09/x
  3. Step 3: Cross multiply
    8,461.66x = 11,677.11 × 4,685.09
  4. Step 4: Simplify right side
    8,461.66x = 54,708,311.29
  5. Step 5: Solve for x
    x = 54,708,311.29/8,461.66
  6. Step 6: Final answer
    x = 6,465.43

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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.