Home / 6,515.28-9,794.56-5,055.12

Finding the Fourth Proportional to 6,515.28, 9,794.56 and 5,055.12

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Solution

The fourth proportional to 6,515.28, 9,794.56 and 5,055.12 is: 7,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.28 : 9,794.56 = 5,055.12 : x
  2. Step 2: Convert to fraction form
    6,515.28/9,794.56 = 5,055.12/x
  3. Step 3: Cross multiply
    6,515.28x = 9,794.56 × 5,055.12
  4. Step 4: Simplify right side
    6,515.28x = 49,512,676.15
  5. Step 5: Solve for x
    x = 49,512,676.15/6,515.28
  6. Step 6: Final answer
    x = 7,599.47

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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.