Home / 7,861.56-10,849-4,325.08

Finding the Fourth Proportional to 7,861.56, 10,849 and 4,325.08

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Solution

The fourth proportional to 7,861.56, 10,849 and 4,325.08 is: 5,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.56 : 10,849 = 4,325.08 : x
  2. Step 2: Convert to fraction form
    7,861.56/10,849 = 4,325.08/x
  3. Step 3: Cross multiply
    7,861.56x = 10,849 × 4,325.08
  4. Step 4: Simplify right side
    7,861.56x = 46,922,792.92
  5. Step 5: Solve for x
    x = 46,922,792.92/7,861.56
  6. Step 6: Final answer
    x = 5,968.64

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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.