Home / 7,550.66-10,419.08-4,320.51

Finding the Fourth Proportional to 7,550.66, 10,419.08 and 4,320.51

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Solution

The fourth proportional to 7,550.66, 10,419.08 and 4,320.51 is: 5,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.66 : 10,419.08 = 4,320.51 : x
  2. Step 2: Convert to fraction form
    7,550.66/10,419.08 = 4,320.51/x
  3. Step 3: Cross multiply
    7,550.66x = 10,419.08 × 4,320.51
  4. Step 4: Simplify right side
    7,550.66x = 45,015,717.73
  5. Step 5: Solve for x
    x = 45,015,717.73/7,550.66
  6. Step 6: Final answer
    x = 5,961.83

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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.