Home / 7,289.60-10,059.52-4,145.92

Finding the Fourth Proportional to 7,289.60, 10,059.52 and 4,145.92

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Solution

The fourth proportional to 7,289.60, 10,059.52 and 4,145.92 is: 5,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.60 : 10,059.52 = 4,145.92 : x
  2. Step 2: Convert to fraction form
    7,289.60/10,059.52 = 4,145.92/x
  3. Step 3: Cross multiply
    7,289.60x = 10,059.52 × 4,145.92
  4. Step 4: Simplify right side
    7,289.60x = 41,705,965.16
  5. Step 5: Solve for x
    x = 41,705,965.16/7,289.60
  6. Step 6: Final answer
    x = 5,721.30

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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.