Home / 7,320.12-10,101.96-4,336.62

Finding the Fourth Proportional to 7,320.12, 10,101.96 and 4,336.62

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Solution

The fourth proportional to 7,320.12, 10,101.96 and 4,336.62 is: 5,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.12 : 10,101.96 = 4,336.62 : x
  2. Step 2: Convert to fraction form
    7,320.12/10,101.96 = 4,336.62/x
  3. Step 3: Cross multiply
    7,320.12x = 10,101.96 × 4,336.62
  4. Step 4: Simplify right side
    7,320.12x = 43,808,361.78
  5. Step 5: Solve for x
    x = 43,808,361.78/7,320.12
  6. Step 6: Final answer
    x = 5,984.65

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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.