Home / 7,219.66-10,831.40-3,059.84

Finding the Fourth Proportional to 7,219.66, 10,831.40 and 3,059.84

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Solution

The fourth proportional to 7,219.66, 10,831.40 and 3,059.84 is: 4,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.66 : 10,831.40 = 3,059.84 : x
  2. Step 2: Convert to fraction form
    7,219.66/10,831.40 = 3,059.84/x
  3. Step 3: Cross multiply
    7,219.66x = 10,831.40 × 3,059.84
  4. Step 4: Simplify right side
    7,219.66x = 33,142,350.98
  5. Step 5: Solve for x
    x = 33,142,350.98/7,219.66
  6. Step 6: Final answer
    x = 4,590.57

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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.