Home / 7,971.21-10,999.98-4,434.35

Finding the Fourth Proportional to 7,971.21, 10,999.98 and 4,434.35

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Solution

The fourth proportional to 7,971.21, 10,999.98 and 4,434.35 is: 6,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.21 : 10,999.98 = 4,434.35 : x
  2. Step 2: Convert to fraction form
    7,971.21/10,999.98 = 4,434.35/x
  3. Step 3: Cross multiply
    7,971.21x = 10,999.98 × 4,434.35
  4. Step 4: Simplify right side
    7,971.21x = 48,777,706.31
  5. Step 5: Solve for x
    x = 48,777,706.31/7,971.21
  6. Step 6: Final answer
    x = 6,119.23

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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.