Home / 6,987.36-10,455.20-6,150.48

Finding the Fourth Proportional to 6,987.36, 10,455.20 and 6,150.48

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Solution

The fourth proportional to 6,987.36, 10,455.20 and 6,150.48 is: 9,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.36 : 10,455.20 = 6,150.48 : x
  2. Step 2: Convert to fraction form
    6,987.36/10,455.20 = 6,150.48/x
  3. Step 3: Cross multiply
    6,987.36x = 10,455.20 × 6,150.48
  4. Step 4: Simplify right side
    6,987.36x = 64,304,498.50
  5. Step 5: Solve for x
    x = 64,304,498.50/6,987.36
  6. Step 6: Final answer
    x = 9,202.97

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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.