Home / 7,945.90-10,965.54-4,361.02

Finding the Fourth Proportional to 7,945.90, 10,965.54 and 4,361.02

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Solution

The fourth proportional to 7,945.90, 10,965.54 and 4,361.02 is: 6,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.90 : 10,965.54 = 4,361.02 : x
  2. Step 2: Convert to fraction form
    7,945.90/10,965.54 = 4,361.02/x
  3. Step 3: Cross multiply
    7,945.90x = 10,965.54 × 4,361.02
  4. Step 4: Simplify right side
    7,945.90x = 47,820,939.25
  5. Step 5: Solve for x
    x = 47,820,939.25/7,945.90
  6. Step 6: Final answer
    x = 6,018.32

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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.