Home / 7,487.60-10,334.07-4,942.85

Finding the Fourth Proportional to 7,487.60, 10,334.07 and 4,942.85

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Solution

The fourth proportional to 7,487.60, 10,334.07 and 4,942.85 is: 6,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.60 : 10,334.07 = 4,942.85 : x
  2. Step 2: Convert to fraction form
    7,487.60/10,334.07 = 4,942.85/x
  3. Step 3: Cross multiply
    7,487.60x = 10,334.07 × 4,942.85
  4. Step 4: Simplify right side
    7,487.60x = 51,079,733.19
  5. Step 5: Solve for x
    x = 51,079,733.19/7,487.60
  6. Step 6: Final answer
    x = 6,821.91

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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.