Home / 7,834.68-10,812.12-4,297.90

Finding the Fourth Proportional to 7,834.68, 10,812.12 and 4,297.90

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Solution

The fourth proportional to 7,834.68, 10,812.12 and 4,297.90 is: 5,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.68 : 10,812.12 = 4,297.90 : x
  2. Step 2: Convert to fraction form
    7,834.68/10,812.12 = 4,297.90/x
  3. Step 3: Cross multiply
    7,834.68x = 10,812.12 × 4,297.90
  4. Step 4: Simplify right side
    7,834.68x = 46,469,410.55
  5. Step 5: Solve for x
    x = 46,469,410.55/7,834.68
  6. Step 6: Final answer
    x = 5,931.25

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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.