Home / 7,981.28-11,014.24-4,444.48

Finding the Fourth Proportional to 7,981.28, 11,014.24 and 4,444.48

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Solution

The fourth proportional to 7,981.28, 11,014.24 and 4,444.48 is: 6,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.28 : 11,014.24 = 4,444.48 : x
  2. Step 2: Convert to fraction form
    7,981.28/11,014.24 = 4,444.48/x
  3. Step 3: Cross multiply
    7,981.28x = 11,014.24 × 4,444.48
  4. Step 4: Simplify right side
    7,981.28x = 48,952,569.40
  5. Step 5: Solve for x
    x = 48,952,569.40/7,981.28
  6. Step 6: Final answer
    x = 6,133.42

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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.