Home / 7,970.67-11,961.72-5,343.19

Finding the Fourth Proportional to 7,970.67, 11,961.72 and 5,343.19

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Solution

The fourth proportional to 7,970.67, 11,961.72 and 5,343.19 is: 8,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.67 : 11,961.72 = 5,343.19 : x
  2. Step 2: Convert to fraction form
    7,970.67/11,961.72 = 5,343.19/x
  3. Step 3: Cross multiply
    7,970.67x = 11,961.72 × 5,343.19
  4. Step 4: Simplify right side
    7,970.67x = 63,913,712.78
  5. Step 5: Solve for x
    x = 63,913,712.78/7,970.67
  6. Step 6: Final answer
    x = 8,018.61

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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.