Home / 8,701.40-12,007.96-4,722.51

Finding the Fourth Proportional to 8,701.40, 12,007.96 and 4,722.51

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Solution

The fourth proportional to 8,701.40, 12,007.96 and 4,722.51 is: 6,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.40 : 12,007.96 = 4,722.51 : x
  2. Step 2: Convert to fraction form
    8,701.40/12,007.96 = 4,722.51/x
  3. Step 3: Cross multiply
    8,701.40x = 12,007.96 × 4,722.51
  4. Step 4: Simplify right side
    8,701.40x = 56,707,770.97
  5. Step 5: Solve for x
    x = 56,707,770.97/8,701.40
  6. Step 6: Final answer
    x = 6,517.09

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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.