Home / 6,785.23-9,361.73-4,130.75

Finding the Fourth Proportional to 6,785.23, 9,361.73 and 4,130.75

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Solution

The fourth proportional to 6,785.23, 9,361.73 and 4,130.75 is: 5,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.23 : 9,361.73 = 4,130.75 : x
  2. Step 2: Convert to fraction form
    6,785.23/9,361.73 = 4,130.75/x
  3. Step 3: Cross multiply
    6,785.23x = 9,361.73 × 4,130.75
  4. Step 4: Simplify right side
    6,785.23x = 38,670,929.72
  5. Step 5: Solve for x
    x = 38,670,929.72/6,785.23
  6. Step 6: Final answer
    x = 5,699.28

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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.