Home / 7,418.72-10,214.52-6,297.44

Finding the Fourth Proportional to 7,418.72, 10,214.52 and 6,297.44

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Solution

The fourth proportional to 7,418.72, 10,214.52 and 6,297.44 is: 8,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.72 : 10,214.52 = 6,297.44 : x
  2. Step 2: Convert to fraction form
    7,418.72/10,214.52 = 6,297.44/x
  3. Step 3: Cross multiply
    7,418.72x = 10,214.52 × 6,297.44
  4. Step 4: Simplify right side
    7,418.72x = 64,325,326.83
  5. Step 5: Solve for x
    x = 64,325,326.83/7,418.72
  6. Step 6: Final answer
    x = 8,670.68

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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.