Home / 6,410.25-8,850.14-4,915.29

Finding the Fourth Proportional to 6,410.25, 8,850.14 and 4,915.29

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Solution

The fourth proportional to 6,410.25, 8,850.14 and 4,915.29 is: 6,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.25 : 8,850.14 = 4,915.29 : x
  2. Step 2: Convert to fraction form
    6,410.25/8,850.14 = 4,915.29/x
  3. Step 3: Cross multiply
    6,410.25x = 8,850.14 × 4,915.29
  4. Step 4: Simplify right side
    6,410.25x = 43,500,980.06
  5. Step 5: Solve for x
    x = 43,500,980.06/6,410.25
  6. Step 6: Final answer
    x = 6,786.16

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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.