Home / 7,981.39-11,014.14-4,444.93

Finding the Fourth Proportional to 7,981.39, 11,014.14 and 4,444.93

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Solution

The fourth proportional to 7,981.39, 11,014.14 and 4,444.93 is: 6,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.39 : 11,014.14 = 4,444.93 : x
  2. Step 2: Convert to fraction form
    7,981.39/11,014.14 = 4,444.93/x
  3. Step 3: Cross multiply
    7,981.39x = 11,014.14 × 4,444.93
  4. Step 4: Simplify right side
    7,981.39x = 48,957,081.31
  5. Step 5: Solve for x
    x = 48,957,081.31/7,981.39
  6. Step 6: Final answer
    x = 6,133.90

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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.