Home / 6,837.64-9,435.72-4,321.12

Finding the Fourth Proportional to 6,837.64, 9,435.72 and 4,321.12

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Solution

The fourth proportional to 6,837.64, 9,435.72 and 4,321.12 is: 5,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.64 : 9,435.72 = 4,321.12 : x
  2. Step 2: Convert to fraction form
    6,837.64/9,435.72 = 4,321.12/x
  3. Step 3: Cross multiply
    6,837.64x = 9,435.72 × 4,321.12
  4. Step 4: Simplify right side
    6,837.64x = 40,772,878.41
  5. Step 5: Solve for x
    x = 40,772,878.41/6,837.64
  6. Step 6: Final answer
    x = 5,963.00

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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.