Home / 9,792.59-13,513.79-5,316.35

Finding the Fourth Proportional to 9,792.59, 13,513.79 and 5,316.35

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Solution

The fourth proportional to 9,792.59, 13,513.79 and 5,316.35 is: 7,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.59 : 13,513.79 = 5,316.35 : x
  2. Step 2: Convert to fraction form
    9,792.59/13,513.79 = 5,316.35/x
  3. Step 3: Cross multiply
    9,792.59x = 13,513.79 × 5,316.35
  4. Step 4: Simplify right side
    9,792.59x = 71,843,943.32
  5. Step 5: Solve for x
    x = 71,843,943.32/9,792.59
  6. Step 6: Final answer
    x = 7,336.57

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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.