Home / 8,319.78-11,476.26-4,960.35

Finding the Fourth Proportional to 8,319.78, 11,476.26 and 4,960.35

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Solution

The fourth proportional to 8,319.78, 11,476.26 and 4,960.35 is: 6,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.78 : 11,476.26 = 4,960.35 : x
  2. Step 2: Convert to fraction form
    8,319.78/11,476.26 = 4,960.35/x
  3. Step 3: Cross multiply
    8,319.78x = 11,476.26 × 4,960.35
  4. Step 4: Simplify right side
    8,319.78x = 56,926,266.29
  5. Step 5: Solve for x
    x = 56,926,266.29/8,319.78
  6. Step 6: Final answer
    x = 6,842.28

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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.