Home / 7,289.76-10,059.74-4,145.88

Finding the Fourth Proportional to 7,289.76, 10,059.74 and 4,145.88

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Solution

The fourth proportional to 7,289.76, 10,059.74 and 4,145.88 is: 5,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.76 : 10,059.74 = 4,145.88 : x
  2. Step 2: Convert to fraction form
    7,289.76/10,059.74 = 4,145.88/x
  3. Step 3: Cross multiply
    7,289.76x = 10,059.74 × 4,145.88
  4. Step 4: Simplify right side
    7,289.76x = 41,706,474.87
  5. Step 5: Solve for x
    x = 41,706,474.87/7,289.76
  6. Step 6: Final answer
    x = 5,721.24

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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.