Home / 7,917.63-10,935.32-5,395.43

Finding the Fourth Proportional to 7,917.63, 10,935.32 and 5,395.43

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Solution

The fourth proportional to 7,917.63, 10,935.32 and 5,395.43 is: 7,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.63 : 10,935.32 = 5,395.43 : x
  2. Step 2: Convert to fraction form
    7,917.63/10,935.32 = 5,395.43/x
  3. Step 3: Cross multiply
    7,917.63x = 10,935.32 × 5,395.43
  4. Step 4: Simplify right side
    7,917.63x = 59,000,671.93
  5. Step 5: Solve for x
    x = 59,000,671.93/7,917.63
  6. Step 6: Final answer
    x = 7,451.81

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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.