Home / 8,701.21-12,007.60-4,722.32

Finding the Fourth Proportional to 8,701.21, 12,007.60 and 4,722.32

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Solution

The fourth proportional to 8,701.21, 12,007.60 and 4,722.32 is: 6,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.21 : 12,007.60 = 4,722.32 : x
  2. Step 2: Convert to fraction form
    8,701.21/12,007.60 = 4,722.32/x
  3. Step 3: Cross multiply
    8,701.21x = 12,007.60 × 4,722.32
  4. Step 4: Simplify right side
    8,701.21x = 56,703,724.32
  5. Step 5: Solve for x
    x = 56,703,724.32/8,701.21
  6. Step 6: Final answer
    x = 6,516.76

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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.