Home / 7,834.85-10,812.20-4,297.82

Finding the Fourth Proportional to 7,834.85, 10,812.20 and 4,297.82

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Solution

The fourth proportional to 7,834.85, 10,812.20 and 4,297.82 is: 5,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.85 : 10,812.20 = 4,297.82 : x
  2. Step 2: Convert to fraction form
    7,834.85/10,812.20 = 4,297.82/x
  3. Step 3: Cross multiply
    7,834.85x = 10,812.20 × 4,297.82
  4. Step 4: Simplify right side
    7,834.85x = 46,468,889.40
  5. Step 5: Solve for x
    x = 46,468,889.40/7,834.85
  6. Step 6: Final answer
    x = 5,931.05

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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.