Home / 8,260.42-11,396.59-4,721.12

Finding the Fourth Proportional to 8,260.42, 11,396.59 and 4,721.12

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Solution

The fourth proportional to 8,260.42, 11,396.59 and 4,721.12 is: 6,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.42 : 11,396.59 = 4,721.12 : x
  2. Step 2: Convert to fraction form
    8,260.42/11,396.59 = 4,721.12/x
  3. Step 3: Cross multiply
    8,260.42x = 11,396.59 × 4,721.12
  4. Step 4: Simplify right side
    8,260.42x = 53,804,668.98
  5. Step 5: Solve for x
    x = 53,804,668.98/8,260.42
  6. Step 6: Final answer
    x = 6,513.55

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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.