Home / 7,981.34-11,012.71-4,444.55

Finding the Fourth Proportional to 7,981.34, 11,012.71 and 4,444.55

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Solution

The fourth proportional to 7,981.34, 11,012.71 and 4,444.55 is: 6,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.34 : 11,012.71 = 4,444.55 : x
  2. Step 2: Convert to fraction form
    7,981.34/11,012.71 = 4,444.55/x
  3. Step 3: Cross multiply
    7,981.34x = 11,012.71 × 4,444.55
  4. Step 4: Simplify right side
    7,981.34x = 48,946,462.94
  5. Step 5: Solve for x
    x = 48,946,462.94/7,981.34
  6. Step 6: Final answer
    x = 6,132.61

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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.