Home / 7,981.40-11,014.32-4,444.92

Finding the Fourth Proportional to 7,981.40, 11,014.32 and 4,444.92

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Solution

The fourth proportional to 7,981.40, 11,014.32 and 4,444.92 is: 6,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.40 : 11,014.32 = 4,444.92 : x
  2. Step 2: Convert to fraction form
    7,981.40/11,014.32 = 4,444.92/x
  3. Step 3: Cross multiply
    7,981.40x = 11,014.32 × 4,444.92
  4. Step 4: Simplify right side
    7,981.40x = 48,957,771.25
  5. Step 5: Solve for x
    x = 48,957,771.25/7,981.40
  6. Step 6: Final answer
    x = 6,133.98

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Double scale
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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.