Home / 7,970.66-11,000.39-4,613.43

Finding the Fourth Proportional to 7,970.66, 11,000.39 and 4,613.43

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Solution

The fourth proportional to 7,970.66, 11,000.39 and 4,613.43 is: 6,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.66 : 11,000.39 = 4,613.43 : x
  2. Step 2: Convert to fraction form
    7,970.66/11,000.39 = 4,613.43/x
  3. Step 3: Cross multiply
    7,970.66x = 11,000.39 × 4,613.43
  4. Step 4: Simplify right side
    7,970.66x = 50,749,529.24
  5. Step 5: Solve for x
    x = 50,749,529.24/7,970.66
  6. Step 6: Final answer
    x = 6,367.04

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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.