Home / 7,289.62-10,059.31-4,145.74

Finding the Fourth Proportional to 7,289.62, 10,059.31 and 4,145.74

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Solution

The fourth proportional to 7,289.62, 10,059.31 and 4,145.74 is: 5,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.62 : 10,059.31 = 4,145.74 : x
  2. Step 2: Convert to fraction form
    7,289.62/10,059.31 = 4,145.74/x
  3. Step 3: Cross multiply
    7,289.62x = 10,059.31 × 4,145.74
  4. Step 4: Simplify right side
    7,289.62x = 41,703,283.84
  5. Step 5: Solve for x
    x = 41,703,283.84/7,289.62
  6. Step 6: Final answer
    x = 5,720.91

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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.