Home / 7,419.56-11,126.58-6,257.75

Finding the Fourth Proportional to 7,419.56, 11,126.58 and 6,257.75

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Solution

The fourth proportional to 7,419.56, 11,126.58 and 6,257.75 is: 9,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.56 : 11,126.58 = 6,257.75 : x
  2. Step 2: Convert to fraction form
    7,419.56/11,126.58 = 6,257.75/x
  3. Step 3: Cross multiply
    7,419.56x = 11,126.58 × 6,257.75
  4. Step 4: Simplify right side
    7,419.56x = 69,627,300.36
  5. Step 5: Solve for x
    x = 69,627,300.36/7,419.56
  6. Step 6: Final answer
    x = 9,384.30

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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.