Home / 8,466.42-11,682-5,320.79

Finding the Fourth Proportional to 8,466.42, 11,682 and 5,320.79

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Solution

The fourth proportional to 8,466.42, 11,682 and 5,320.79 is: 7,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.42 : 11,682 = 5,320.79 : x
  2. Step 2: Convert to fraction form
    8,466.42/11,682 = 5,320.79/x
  3. Step 3: Cross multiply
    8,466.42x = 11,682 × 5,320.79
  4. Step 4: Simplify right side
    8,466.42x = 62,157,468.78
  5. Step 5: Solve for x
    x = 62,157,468.78/8,466.42
  6. Step 6: Final answer
    x = 7,341.65

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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.