Home / 7,971.36-11,000.16-4,434.24

Finding the Fourth Proportional to 7,971.36, 11,000.16 and 4,434.24

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Solution

The fourth proportional to 7,971.36, 11,000.16 and 4,434.24 is: 6,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.36 : 11,000.16 = 4,434.24 : x
  2. Step 2: Convert to fraction form
    7,971.36/11,000.16 = 4,434.24/x
  3. Step 3: Cross multiply
    7,971.36x = 11,000.16 × 4,434.24
  4. Step 4: Simplify right side
    7,971.36x = 48,777,349.48
  5. Step 5: Solve for x
    x = 48,777,349.48/7,971.36
  6. Step 6: Final answer
    x = 6,119.07

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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.