Home / 7,861.46-10,847.93-4,323.78

Finding the Fourth Proportional to 7,861.46, 10,847.93 and 4,323.78

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Solution

The fourth proportional to 7,861.46, 10,847.93 and 4,323.78 is: 5,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.46 : 10,847.93 = 4,323.78 : x
  2. Step 2: Convert to fraction form
    7,861.46/10,847.93 = 4,323.78/x
  3. Step 3: Cross multiply
    7,861.46x = 10,847.93 × 4,323.78
  4. Step 4: Simplify right side
    7,861.46x = 46,904,041.16
  5. Step 5: Solve for x
    x = 46,904,041.16/7,861.46
  6. Step 6: Final answer
    x = 5,966.33

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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.