Home / 7,971.79-11,001.03-4,435

Finding the Fourth Proportional to 7,971.79, 11,001.03 and 4,435

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Solution

The fourth proportional to 7,971.79, 11,001.03 and 4,435 is: 6,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.79 : 11,001.03 = 4,435 : x
  2. Step 2: Convert to fraction form
    7,971.79/11,001.03 = 4,435/x
  3. Step 3: Cross multiply
    7,971.79x = 11,001.03 × 4,435
  4. Step 4: Simplify right side
    7,971.79x = 48,789,568.05
  5. Step 5: Solve for x
    x = 48,789,568.05/7,971.79
  6. Step 6: Final answer
    x = 6,120.28

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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.