Home / 7,220.55-10,831.91-3,060.58

Finding the Fourth Proportional to 7,220.55, 10,831.91 and 3,060.58

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Solution

The fourth proportional to 7,220.55, 10,831.91 and 3,060.58 is: 4,591.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.55 : 10,831.91 = 3,060.58 : x
  2. Step 2: Convert to fraction form
    7,220.55/10,831.91 = 3,060.58/x
  3. Step 3: Cross multiply
    7,220.55x = 10,831.91 × 3,060.58
  4. Step 4: Simplify right side
    7,220.55x = 33,151,927.11
  5. Step 5: Solve for x
    x = 33,151,927.11/7,220.55
  6. Step 6: Final answer
    x = 4,591.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.