Home / 7,960.10-10,984.48-4,423.07

Finding the Fourth Proportional to 7,960.10, 10,984.48 and 4,423.07

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Solution

The fourth proportional to 7,960.10, 10,984.48 and 4,423.07 is: 6,103.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.10 : 10,984.48 = 4,423.07 : x
  2. Step 2: Convert to fraction form
    7,960.10/10,984.48 = 4,423.07/x
  3. Step 3: Cross multiply
    7,960.10x = 10,984.48 × 4,423.07
  4. Step 4: Simplify right side
    7,960.10x = 48,585,140.36
  5. Step 5: Solve for x
    x = 48,585,140.36/7,960.10
  6. Step 6: Final answer
    x = 6,103.59

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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.