Home / 7,827.21-11,730.69-5,971.50

Finding the Fourth Proportional to 7,827.21, 11,730.69 and 5,971.50

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Solution

The fourth proportional to 7,827.21, 11,730.69 and 5,971.50 is: 8,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.21 : 11,730.69 = 5,971.50 : x
  2. Step 2: Convert to fraction form
    7,827.21/11,730.69 = 5,971.50/x
  3. Step 3: Cross multiply
    7,827.21x = 11,730.69 × 5,971.50
  4. Step 4: Simplify right side
    7,827.21x = 70,049,815.34
  5. Step 5: Solve for x
    x = 70,049,815.34/7,827.21
  6. Step 6: Final answer
    x = 8,949.53

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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.