Home / 8,355.13-12,532.93-2,511.72

Finding the Fourth Proportional to 8,355.13, 12,532.93 and 2,511.72

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Solution

The fourth proportional to 8,355.13, 12,532.93 and 2,511.72 is: 3,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.13 : 12,532.93 = 2,511.72 : x
  2. Step 2: Convert to fraction form
    8,355.13/12,532.93 = 2,511.72/x
  3. Step 3: Cross multiply
    8,355.13x = 12,532.93 × 2,511.72
  4. Step 4: Simplify right side
    8,355.13x = 31,479,204.66
  5. Step 5: Solve for x
    x = 31,479,204.66/8,355.13
  6. Step 6: Final answer
    x = 3,767.65

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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.