Home / 7,971.43-11,000.57-4,434.57

Finding the Fourth Proportional to 7,971.43, 11,000.57 and 4,434.57

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Solution

The fourth proportional to 7,971.43, 11,000.57 and 4,434.57 is: 6,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.43 : 11,000.57 = 4,434.57 : x
  2. Step 2: Convert to fraction form
    7,971.43/11,000.57 = 4,434.57/x
  3. Step 3: Cross multiply
    7,971.43x = 11,000.57 × 4,434.57
  4. Step 4: Simplify right side
    7,971.43x = 48,782,720.53
  5. Step 5: Solve for x
    x = 48,782,720.53/7,971.43
  6. Step 6: Final answer
    x = 6,119.70

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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.