Home / 6,738.40-10,107.60-4,284.10

Finding the Fourth Proportional to 6,738.40, 10,107.60 and 4,284.10

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Solution

The fourth proportional to 6,738.40, 10,107.60 and 4,284.10 is: 6,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.40 : 10,107.60 = 4,284.10 : x
  2. Step 2: Convert to fraction form
    6,738.40/10,107.60 = 4,284.10/x
  3. Step 3: Cross multiply
    6,738.40x = 10,107.60 × 4,284.10
  4. Step 4: Simplify right side
    6,738.40x = 43,301,969.16
  5. Step 5: Solve for x
    x = 43,301,969.16/6,738.40
  6. Step 6: Final answer
    x = 6,426.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.