Home / 7,289.46-10,060.20-4,145.58

Finding the Fourth Proportional to 7,289.46, 10,060.20 and 4,145.58

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Solution

The fourth proportional to 7,289.46, 10,060.20 and 4,145.58 is: 5,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.46 : 10,060.20 = 4,145.58 : x
  2. Step 2: Convert to fraction form
    7,289.46/10,060.20 = 4,145.58/x
  3. Step 3: Cross multiply
    7,289.46x = 10,060.20 × 4,145.58
  4. Step 4: Simplify right side
    7,289.46x = 41,705,363.92
  5. Step 5: Solve for x
    x = 41,705,363.92/7,289.46
  6. Step 6: Final answer
    x = 5,721.32

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Double scale
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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.